A generation of chirality

Koichi Tanaka, Fumio Toda, Zafra Stein, Israel Goldberg

Research output: Contribution to journalArticlepeer-review


Achiral molecule of N-methyl-3,4-bis(diphenyl-methylene)succimide (1) was found to form a chiral crystal, in which two inner phenyl groups (a and a’ of 1 shown in Scheme 1) are overlapped and therefore chirality appears depending on whether a or a’ is above. The chirality of 1 in the crystal was frozen by photoirradiation in the solid state to give an optically active photocyclization product (2).

Original languageEnglish
Pages (from-to)49-52
Number of pages4
JournalMolecular Crystals and Liquid Crystals
Issue number1
StatePublished - 1 Jun 1994


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