N-Benzyl­idenenordehydro­abietylamine

Rao, X.-P.; Wu, Y.; Song, Z.-Q.; Shang, S.-B.

doi:10.1107/S1600536809022909

N-Benzylidenenordehydroabietylamine

X.-P. Rao, Y. Wu, Z.-Q. Song and S.-B. Shang

The title compound [systematic name: (1R,4aS,10aR,E)-N-benzylidene-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthren-1-amine], C₂₆H₃₃N, has been synthesized from nor-dehydroabietylamine and benzaldehyde. The two cyclohexane rings form a trans ring junction with classic chair and half-chair conformations, respectively, the two methyl groups are on the same side of tricyclic hydrophenanthrene structure. The dihedral angle between two benzene rings is 44.2 (4)°. The C=N bond is in an E configuration.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536809022909/at2811sup1.cif Contains datablocks I, global
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536809022909/at2811Isup2.hkl Contains datablock I

CCDC reference: 741652

checkCIF report

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.010 Å
R factor = 0.074
wR factor = 0.199
Data-to-parameter ratio = 9.5

checkCIF/PLATON results

No syntax errors found



Alert level C
PLAT331_ALERT_2_C Small Average Phenyl  C-C Dist.  C1     -C6            1.37 Ang.
PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang ...         10
PLAT234_ALERT_4_C Large Hirshfeld Difference C9     --  C10     ..       0.15 Ang.

Alert level G
REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is
            correct. If it is not, please give the correct count in the
            _publ_section_exptl_refinement section of the submitted CIF.
           From the CIF: _diffrn_reflns_theta_max           25.97
           From the CIF: _reflns_number_total               2324
           Count of symmetry unique reflns         2330
           Completeness (_total/calc)             99.74%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured         0
           Fraction of Friedel pairs measured     0.000
           Are heavy atom types Z>Si present         no
PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints .......          2
PLAT066_ALERT_1_G Predicted and Reported Transmissions Identical .          ?
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K
PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature .        293 K
PLAT791_ALERT_4_G The Model has Chirality at C8      (Verify) ....          S
PLAT791_ALERT_4_G The Model has Chirality at C9      (Verify) ....          S
PLAT791_ALERT_4_G The Model has Chirality at C10     (Verify) ....          R

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   3 ALERT level C = Check and explain
   8 ALERT level G = General alerts; check

   3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   5 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

Comment top

Dehydroabietiylamine derivatives exhibit wide range of biological activities, such as antifungal and antitumor activity (Wilkerson et al., 1993 and Rao et al., 2006). Nor-dehydroabietylamine is a new derivative of dehydoabietylamine, which the amine group directly attached to the tricyclic hydrophenthranene structure (Rao et al., 2006). Although much attention has been paid to the bioactivity of dehydroabietylamine derivatives, the crystal structure of the title compound has not yet been reported. In this work, we describe the crystal structure of the title compound.

As shown in Fig. 1, the title compound contains four rings, the two cyclohexane rings form a trans ring junction with classic chair and half-chair conformation, respectively, the two methyl groups are in the axis position of the cyclohexane ring. The two benzene rings are almost planar, the dihedral angle between them is 44.2 °. The bond lengths and bond angles in the molecule are in normal ranges. The title structure is compared with previously found structure 4-chloro-2-((E)-(((1R,4aS,10aR)-7-isopropyl-1,4a-dimethyl- 1,2,3,4,4a,9,10,10a-octahydrophenanthren-1-yl) methylimino)methyl)phenol (Rao et al.,2006). They exhibited almost the same configurations except that the imine group directly attached to the hydrophenanthrene structure of the title structure.

Related literature top

For the biological activity of dehydroabietiylamine derivatives, see: Rao et al. (2006); Rao, Song & He (2008); Rao, Song, He & Jia (2008); Wilkerson et al. (1993).

Experimental top

A mixture of nor-dehydroabietylamine (1 mmol), benzaldehyde (1 mmol) and ethanol (20 ml) was stirred at 353 K for 4 h, then the solvent was distilled off. Upon recrystallization from acetone, white crystals of the title compound were obtained. Single crystals were grown from acetone.

Computing details top

Data collection: CAD-4 Software (Enraf–Nonius, 1989); cell refinement: CAD-4 Software (Enraf–Nonius, 1989); data reduction: XCAD4 (Harms & Wocadlo, 1995); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).

Figures top

Fig. 1. The molecular structure of the title compound, with H atoms represented by small spheres of arbitrary radius and displacement ellipsoids at the 30% probability level.

(1R,4aS,10aR,E)-N-benzylidene-7-isopropyl- 1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthren-1-amine top

Crystal data top

C₂₆H₃₃N	F(000) = 392
M_r = 359.53	D_x = 1.106 Mg m⁻³
Monoclinic, P2₁	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2yb	Cell parameters from 25 reflections
a = 12.285 (3) Å	θ = 10–13°
b = 5.8940 (12) Å	µ = 0.06 mm⁻¹
c = 14.994 (3) Å	T = 293 K
β = 95.90 (3)°	Block, white
V = 1079.9 (4) Å³	0.40 × 0.30 × 0.30 mm
Z = 2

Data collection top

Enraf–Nonius CAD-4 diffractometer	1761 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	R_int = 0.044
Graphite monochromator	θ_max = 26.0°, θ_min = 1.4°
ω/2θ scans	h = −15→15
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	k = 0→7
T_min = 0.975, T_max = 0.981	l = 0→18
2435 measured reflections	3 standard reflections every 200 reflections
2324 independent reflections	intensity decay: none

Refinement top

Refinement on F²	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F² > 2σ(F²)] = 0.074	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.199	H-atom parameters constrained
S = 1.04	w = 1/[σ²(F_o²) + (0.03P)² + 2.5P] where P = (F_o² + 2F_c²)/3
2324 reflections	(Δ/σ)_max < 0.001
244 parameters	Δρ_max = 0.30 e Å⁻³
2 restraints	Δρ_min = −0.36 e Å⁻³

Crystal data top

C₂₆H₃₃N	V = 1079.9 (4) Å³
M_r = 359.53	Z = 2
Monoclinic, P2₁	Mo Kα radiation
a = 12.285 (3) Å	µ = 0.06 mm⁻¹
b = 5.8940 (12) Å	T = 293 K
c = 14.994 (3) Å	0.40 × 0.30 × 0.30 mm
β = 95.90 (3)°

Data collection top

Enraf–Nonius CAD-4 diffractometer	1761 reflections with I > 2σ(I)
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	R_int = 0.044
T_min = 0.975, T_max = 0.981	3 standard reflections every 200 reflections
2435 measured reflections	intensity decay: none
2324 independent reflections

Refinement top

R[F² > 2σ(F²)] = 0.074	2 restraints
wR(F²) = 0.199	H-atom parameters constrained
S = 1.04	Δρ_max = 0.30 e Å⁻³
2324 reflections	Δρ_min = −0.36 e Å⁻³
244 parameters

Special details top

Experimental. Although the absolute configuration could not be determined in this case, it has been determined in our previous article which indicated the chiral centers exhibited R,S and R configurations, respectively.

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F² against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F², conventional R-factors R are based on F, with F set to zero for negative F². The threshold expression of F² > σ(F²) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F² are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
N	0.5943 (4)	0.1064 (10)	0.6722 (3)	0.0555 (15)
C1	0.9610 (7)	−0.212 (2)	0.6297 (5)	0.083 (3)
H1A	1.0249	−0.2959	0.6287	0.100*
C2	0.8832 (7)	−0.2846 (18)	0.6812 (5)	0.080 (2)
H2A	0.8933	−0.4180	0.7142	0.096*
C3	0.7893 (7)	−0.1591 (15)	0.6841 (4)	0.067 (2)
H3A	0.7358	−0.2059	0.7197	0.080*
C4	0.7749 (5)	0.0366 (14)	0.6340 (4)	0.061 (2)
C5	0.8544 (7)	0.1063 (16)	0.5820 (5)	0.072 (2)
H5A	0.8454	0.2385	0.5482	0.087*
C6	0.9483 (7)	−0.024 (2)	0.5807 (6)	0.091 (3)
H6A	1.0027	0.0210	0.5455	0.109*
C7	0.6712 (5)	0.1704 (15)	0.6342 (4)	0.065 (2)
H7A	0.6656	0.3083	0.6040	0.078*
C8	0.4875 (7)	0.2395 (12)	0.6683 (4)	0.0573 (19)
C9	0.4313 (5)	0.1432 (11)	0.7462 (3)	0.0460 (15)
H9A	0.4370	−0.0218	0.7401	0.055*
C10	0.3056 (5)	0.1900 (11)	0.7458 (4)	0.0436 (14)
C11	0.2496 (5)	0.1195 (14)	0.6530 (4)	0.0552 (17)
H11A	0.1732	0.1639	0.6486	0.066*
H11B	0.2524	−0.0443	0.6476	0.066*
C12	0.3039 (6)	0.2281 (15)	0.5748 (4)	0.068 (2)
H12A	0.2670	0.1766	0.5181	0.082*
H12B	0.2970	0.3919	0.5774	0.082*
C13	0.4198 (5)	0.1662 (15)	0.5803 (4)	0.0613 (19)
H13A	0.4517	0.2347	0.5302	0.074*
H13B	0.4254	0.0029	0.5743	0.074*
C14	0.4894 (5)	0.1957 (14)	0.8384 (4)	0.0567 (17)
H14A	0.5680	0.1840	0.8368	0.068*
H14B	0.4726	0.3494	0.8556	0.068*
C15	0.4526 (5)	0.0303 (16)	0.9058 (4)	0.061 (2)
H15A	0.4719	0.0913	0.9654	0.073*
H15B	0.4928	−0.1102	0.9015	0.073*
C16	0.3317 (4)	−0.0234 (11)	0.8955 (3)	0.0389 (13)
C17	0.2618 (5)	0.0468 (10)	0.8206 (3)	0.0412 (14)
C18	0.2886 (5)	−0.1458 (12)	0.9632 (4)	0.0501 (16)
H18A	0.3349	−0.1858	1.0137	0.060*
C19	0.1794 (5)	−0.2108 (11)	0.9587 (4)	0.0452 (14)
C20	0.1139 (5)	−0.1380 (13)	0.8849 (4)	0.0527 (17)
H20A	0.0400	−0.1755	0.8800	0.063*
C21	0.1526 (5)	−0.0118 (13)	0.8179 (4)	0.0544 (17)
H21A	0.1043	0.0352	0.7697	0.065*
C22	0.5043 (8)	0.4935 (13)	0.6724 (5)	0.079 (3)
H22A	0.4345	0.5680	0.6689	0.118*
H22B	0.5428	0.5409	0.6231	0.118*
H22C	0.5462	0.5328	0.7279	0.118*
C23	0.2709 (7)	0.4386 (12)	0.7645 (5)	0.068 (2)
H23A	0.1926	0.4468	0.7627	0.103*
H23B	0.2952	0.5373	0.7196	0.103*
H23C	0.3034	0.4848	0.8226	0.103*
C24	0.1371 (6)	−0.3531 (14)	1.0319 (4)	0.0597 (19)
H24A	0.0603	−0.3865	1.0122	0.072*
C25	0.1949 (7)	−0.5788 (13)	1.0437 (6)	0.080 (3)
H25A	0.1657	−0.6626	1.0908	0.120*
H25B	0.2717	−0.5541	1.0592	0.120*
H25C	0.1839	−0.6633	0.9888	0.120*
C26	0.1383 (7)	−0.2230 (16)	1.1198 (4)	0.082 (3)
H26A	0.1122	−0.3194	1.1646	0.123*
H26B	0.0919	−0.0922	1.1111	0.123*
H26C	0.2117	−0.1755	1.1392	0.123*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
N	0.066 (3)	0.048 (3)	0.056 (3)	−0.002 (3)	0.022 (3)	−0.004 (3)
C1	0.070 (5)	0.115 (9)	0.063 (5)	0.016 (6)	0.002 (4)	−0.023 (6)
C2	0.100 (6)	0.076 (6)	0.063 (4)	−0.008 (6)	0.004 (4)	0.004 (5)
C3	0.087 (5)	0.065 (5)	0.048 (4)	−0.012 (5)	0.006 (4)	−0.012 (4)
C4	0.067 (4)	0.070 (5)	0.044 (3)	−0.018 (4)	−0.001 (3)	−0.007 (4)
C5	0.088 (5)	0.068 (6)	0.062 (4)	−0.010 (5)	0.011 (4)	0.007 (4)
C6	0.075 (6)	0.127 (10)	0.069 (5)	−0.022 (7)	0.003 (4)	0.000 (7)
C7	0.070 (4)	0.073 (5)	0.055 (4)	−0.017 (4)	0.020 (3)	0.004 (4)
C8	0.095 (5)	0.036 (4)	0.041 (3)	−0.001 (4)	0.008 (3)	−0.003 (3)
C9	0.076 (4)	0.030 (3)	0.031 (3)	−0.013 (3)	0.000 (3)	−0.001 (3)
C10	0.061 (4)	0.033 (3)	0.036 (3)	0.011 (3)	0.002 (2)	0.004 (3)
C11	0.062 (4)	0.063 (5)	0.040 (3)	0.005 (4)	0.002 (3)	0.006 (3)
C12	0.096 (5)	0.066 (5)	0.040 (3)	−0.002 (5)	0.000 (3)	0.013 (4)
C13	0.078 (4)	0.073 (5)	0.034 (3)	−0.012 (5)	0.012 (3)	0.004 (4)
C14	0.067 (4)	0.056 (4)	0.044 (3)	−0.014 (4)	−0.005 (3)	−0.001 (3)
C15	0.054 (4)	0.091 (6)	0.038 (3)	−0.022 (4)	0.000 (3)	0.005 (4)
C16	0.044 (3)	0.038 (3)	0.035 (3)	0.000 (3)	0.005 (2)	−0.003 (3)
C17	0.059 (4)	0.035 (3)	0.031 (3)	0.001 (3)	0.008 (2)	−0.002 (3)
C18	0.060 (4)	0.051 (4)	0.037 (3)	−0.003 (3)	−0.006 (3)	0.005 (3)
C19	0.057 (3)	0.040 (4)	0.041 (3)	−0.002 (3)	0.012 (3)	−0.007 (3)
C20	0.046 (3)	0.063 (5)	0.048 (3)	−0.004 (4)	0.003 (3)	−0.008 (4)
C21	0.063 (4)	0.058 (5)	0.041 (3)	0.013 (4)	−0.004 (3)	−0.004 (3)
C22	0.134 (8)	0.036 (4)	0.069 (5)	−0.022 (5)	0.022 (5)	0.004 (4)
C23	0.105 (6)	0.037 (4)	0.068 (4)	0.019 (4)	0.030 (4)	0.001 (4)
C24	0.062 (4)	0.067 (5)	0.052 (3)	−0.015 (4)	0.015 (3)	−0.006 (4)
C25	0.109 (6)	0.038 (4)	0.099 (6)	−0.006 (5)	0.031 (5)	0.010 (4)
C26	0.135 (7)	0.069 (6)	0.045 (4)	−0.015 (6)	0.024 (4)	0.005 (4)

Geometric parameters (Å, º) top

N—C7	1.212 (7)	C14—C15	1.508 (9)
N—C8	1.524 (9)	C14—H14A	0.9700
C1—C6	1.331 (14)	C14—H14B	0.9700
C1—C2	1.359 (11)	C15—C16	1.510 (8)
C1—H1A	0.9300	C15—H15A	0.9700
C2—C3	1.375 (11)	C15—H15B	0.9700
C2—H2A	0.9300	C16—C18	1.393 (8)
C3—C4	1.378 (11)	C16—C17	1.405 (7)
C3—H3A	0.9300	C17—C21	1.381 (8)
C4—C5	1.374 (9)	C18—C19	1.389 (8)
C4—C7	1.499 (7)	C18—H18A	0.9300
C5—C6	1.387 (12)	C19—C20	1.368 (8)
C5—H5A	0.9300	C19—C24	1.515 (9)
C6—H6A	0.9300	C20—C21	1.374 (9)
C7—H7A	0.9300	C20—H20A	0.9300
C8—C22	1.512 (10)	C21—H21A	0.9300
C8—C9	1.525 (9)	C22—H22A	0.9600
C8—C13	1.547 (9)	C22—H22B	0.9600
C9—C14	1.522 (7)	C22—H22C	0.9600
C9—C10	1.568 (8)	C23—H23A	0.9600
C9—H9A	0.9800	C23—H23B	0.9600
C10—C17	1.544 (8)	C23—H23C	0.9600
C10—C11	1.545 (8)	C24—C25	1.509 (11)
C10—C23	1.559 (9)	C24—C26	1.524 (10)
C11—C12	1.546 (9)	C24—H24A	0.9800
C11—H11A	0.9700	C25—H25A	0.9600
C11—H11B	0.9700	C25—H25B	0.9600
C12—C13	1.464 (9)	C25—H25C	0.9600
C12—H12A	0.9700	C26—H26A	0.9600
C12—H12B	0.9700	C26—H26B	0.9600
C13—H13A	0.9700	C26—H26C	0.9600
C13—H13B	0.9700

C7—N—C8	122.1 (7)	C15—C14—H14A	109.8
C6—C1—C2	121.9 (10)	C9—C14—H14A	109.8
C6—C1—H1A	119.1	C15—C14—H14B	109.8
C2—C1—H1A	119.1	C9—C14—H14B	109.8
C1—C2—C3	119.3 (10)	H14A—C14—H14B	108.2
C1—C2—H2A	120.4	C14—C15—C16	115.3 (5)
C3—C2—H2A	120.4	C14—C15—H15A	108.5
C2—C3—C4	119.7 (8)	C16—C15—H15A	108.5
C2—C3—H3A	120.2	C14—C15—H15B	108.5
C4—C3—H3A	120.2	C16—C15—H15B	108.5
C5—C4—C3	120.0 (7)	H15A—C15—H15B	107.5
C5—C4—C7	119.9 (7)	C18—C16—C17	119.2 (5)
C3—C4—C7	120.1 (7)	C18—C16—C15	118.5 (5)
C4—C5—C6	119.0 (8)	C17—C16—C15	122.3 (5)
C4—C5—H5A	120.5	C21—C17—C16	117.5 (5)
C6—C5—H5A	120.5	C21—C17—C10	121.7 (5)
C1—C6—C5	120.2 (9)	C16—C17—C10	120.8 (5)
C1—C6—H6A	119.9	C19—C18—C16	123.0 (5)
C5—C6—H6A	119.9	C19—C18—H18A	118.5
N—C7—C4	122.8 (8)	C16—C18—H18A	118.5
N—C7—H7A	118.6	C20—C19—C18	115.9 (6)
C4—C7—H7A	118.6	C20—C19—C24	122.8 (6)
C22—C8—N	113.3 (7)	C18—C19—C24	121.3 (6)
C22—C8—C9	114.1 (6)	C19—C20—C21	122.8 (6)
N—C8—C9	103.6 (5)	C19—C20—H20A	118.6
C22—C8—C13	111.7 (7)	C21—C20—H20A	118.6
N—C8—C13	105.9 (5)	C20—C21—C17	121.5 (6)
C9—C8—C13	107.6 (6)	C20—C21—H21A	119.3
C14—C9—C8	114.3 (5)	C17—C21—H21A	119.3
C14—C9—C10	109.7 (5)	C8—C22—H22A	109.5
C8—C9—C10	117.1 (5)	C8—C22—H22B	109.5
C14—C9—H9A	104.8	H22A—C22—H22B	109.5
C8—C9—H9A	104.8	C8—C22—H22C	109.5
C10—C9—H9A	104.8	H22A—C22—H22C	109.5
C17—C10—C11	110.6 (5)	H22B—C22—H22C	109.5
C17—C10—C23	105.2 (5)	C10—C23—H23A	109.5
C11—C10—C23	108.1 (6)	C10—C23—H23B	109.5
C17—C10—C9	108.5 (5)	H23A—C23—H23B	109.5
C11—C10—C9	107.6 (5)	C10—C23—H23C	109.5
C23—C10—C9	116.9 (6)	H23A—C23—H23C	109.5
C10—C11—C12	112.6 (6)	H23B—C23—H23C	109.5
C10—C11—H11A	109.1	C25—C24—C19	112.4 (6)
C12—C11—H11A	109.1	C25—C24—C26	112.2 (7)
C10—C11—H11B	109.1	C19—C24—C26	112.0 (6)
C12—C11—H11B	109.1	C25—C24—H24A	106.6
H11A—C11—H11B	107.8	C19—C24—H24A	106.6
C13—C12—C11	110.3 (6)	C26—C24—H24A	106.6
C13—C12—H12A	109.6	C24—C25—H25A	109.5
C11—C12—H12A	109.6	C24—C25—H25B	109.5
C13—C12—H12B	109.6	H25A—C25—H25B	109.5
C11—C12—H12B	109.6	C24—C25—H25C	109.5
H12A—C12—H12B	108.1	H25A—C25—H25C	109.5
C12—C13—C8	114.4 (6)	H25B—C25—H25C	109.5
C12—C13—H13A	108.7	C24—C26—H26A	109.5
C8—C13—H13A	108.7	C24—C26—H26B	109.5
C12—C13—H13B	108.7	H26A—C26—H26B	109.5
C8—C13—H13B	108.7	C24—C26—H26C	109.5
H13A—C13—H13B	107.6	H26A—C26—H26C	109.5
C15—C14—C9	109.4 (5)	H26B—C26—H26C	109.5

C6—C1—C2—C3	−1.0 (13)	C22—C8—C13—C12	−71.4 (9)
C1—C2—C3—C4	0.9 (12)	N—C8—C13—C12	164.8 (7)
C2—C3—C4—C5	−0.5 (10)	C9—C8—C13—C12	54.6 (9)
C2—C3—C4—C7	177.9 (7)	C8—C9—C14—C15	−160.1 (6)
C3—C4—C5—C6	0.3 (11)	C10—C9—C14—C15	66.1 (7)
C7—C4—C5—C6	−178.2 (7)	C9—C14—C15—C16	−41.1 (8)
C2—C1—C6—C5	0.8 (14)	C14—C15—C16—C18	−170.0 (6)
C4—C5—C6—C1	−0.4 (13)	C14—C15—C16—C17	9.6 (9)
C8—N—C7—C4	−177.2 (6)	C18—C16—C17—C21	−0.4 (9)
C5—C4—C7—N	173.2 (7)	C15—C16—C17—C21	179.9 (6)
C3—C4—C7—N	−5.3 (11)	C18—C16—C17—C10	177.8 (6)
C7—N—C8—C22	−38.6 (9)	C15—C16—C17—C10	−1.9 (9)
C7—N—C8—C9	−162.7 (6)	C11—C10—C17—C21	−39.0 (8)
C7—N—C8—C13	84.1 (8)	C23—C10—C17—C21	77.4 (8)
C22—C8—C9—C14	−56.7 (9)	C9—C10—C17—C21	−156.8 (6)
N—C8—C9—C14	66.8 (7)	C11—C10—C17—C16	142.8 (6)
C13—C8—C9—C14	178.7 (6)	C23—C10—C17—C16	−100.8 (7)
C22—C8—C9—C10	73.6 (9)	C9—C10—C17—C16	25.0 (7)
N—C8—C9—C10	−162.9 (5)	C17—C16—C18—C19	2.7 (10)
C13—C8—C9—C10	−51.0 (7)	C15—C16—C18—C19	−177.6 (7)
C14—C9—C10—C17	−56.7 (7)	C16—C18—C19—C20	−3.0 (10)
C8—C9—C10—C17	170.8 (5)	C16—C18—C19—C24	177.1 (7)
C14—C9—C10—C11	−176.4 (6)	C18—C19—C20—C21	1.2 (10)
C8—C9—C10—C11	51.2 (7)	C24—C19—C20—C21	−179.0 (7)
C14—C9—C10—C23	61.9 (7)	C19—C20—C21—C17	1.0 (11)
C8—C9—C10—C23	−70.5 (7)	C16—C17—C21—C20	−1.3 (10)
C17—C10—C11—C12	−170.3 (6)	C10—C17—C21—C20	−179.5 (6)
C23—C10—C11—C12	75.1 (7)	C20—C19—C24—C25	120.6 (7)
C9—C10—C11—C12	−51.9 (7)	C18—C19—C24—C25	−59.6 (9)
C10—C11—C12—C13	58.1 (9)	C20—C19—C24—C26	−112.0 (8)
C11—C12—C13—C8	−59.1 (9)	C18—C19—C24—C26	67.9 (8)

Experimental details

Crystal data
Chemical formula	C₂₆H₃₃N
M_r	359.53
Crystal system, space group	Monoclinic, P2₁
Temperature (K)	293
a, b, c (Å)	12.285 (3), 5.8940 (12), 14.994 (3)
β (°)	95.90 (3)
V (Å³)	1079.9 (4)
Z	2
Radiation type	Mo Kα
µ (mm⁻¹)	0.06
Crystal size (mm)	0.40 × 0.30 × 0.30

Data collection
Diffractometer	Enraf–Nonius CAD-4 diffractometer
Absorption correction	Multi-scan (SADABS; Sheldrick, 1996)
T_min, T_max	0.975, 0.981
No. of measured, independent and observed [I > 2σ(I)] reflections	2435, 2324, 1761
R_int	0.044
(sin θ/λ)_max (Å⁻¹)	0.616

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.074, 0.199, 1.04
No. of reflections	2324
No. of parameters	244
No. of restraints	2
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.30, −0.36

Computer programs: CAD-4 Software (Enraf–Nonius, 1989), XCAD4 (Harms & Wocadlo, 1995), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).

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N-Benzyl­idenenordehydro­abietylamine

Supporting information

Key indicators

checkCIF/PLATON results

N-Benzylidenenordehydroabietylamine