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In the title compound, 1-p-toluenesulfonylaziridine-(2S)-carboxylic acid tert-butyl ester, C14H19NO4S, the p-toluenesulfonyl substituent on the N atom and the ester substituent on one C atom of the aziridine ring are mutually trans, minimizing steric interactions. The two N-C ring bond lengths [1.479 (2) and 1.484 (2) Å] are insignificantly different, consistent with the lack of regioselectivity in reactions with carbon nucleophiles.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks 1, global

fcf

Structure factor file (CIF format)
Contains datablock rfwj53

CCDC reference: 128125

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