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Convenient synthesis of c 2 ‐symmetric diazepinium salts derived from 1,1′‐binaphthyl‐2,2′‐diamine
Author(s) -
Herrmann Wolfgang A.,
Baskakov Denys,
Ruhland Klaus
Publication year - 2007
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570440140
Subject(s) - chemistry , formamide , toluene , phosgene , diamine , diffraction , organic chemistry , medicinal chemistry , polymer chemistry , optics , physics
New C 2 ‐symmetric atropisomeric diazepinium salts were prepared utilizing Vilsmeier‐Haack activation of corresponding formamide precursors by phosgene solution in toluene. The structures of these substances were verified by X‐ray diffraction.