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The structures of three compounds, namely, dimethyl 2-{(1S)-1-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-methyl-2-nitropropyl}malonate [C14H23NO8, (I)], dimethyl 2-{(1S)-1-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-methyl-2-(phenylsulfonyl)propyl}malonate [C20H28O8S, (II)], and dimethyl (3S)-2,2-dimethyl-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]cyclopropane-1,1-dicarboxylate [C14H22O6, (III)], which are intermediates in the synthesis of chrysanthemic acid, are presented and discussed.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, I, II, III

hkl

Structure factor file (CIF format)
Contains datablock I

hkl

Structure factor file (CIF format)
Contains datablock sk1167II

hkl

Structure factor file (CIF format)
Contains datablock sk1167III

CCDC references: 130124; 130125; 130126

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