Issue 22, 2002
From the journal:

Chemical Communications

N-Substituent effect on the cis–trans geometry of nine-membered lactams

Shinji Yamada*a  and  Akie Hommaa  

* Corresponding authors

a Department of Chemistry, Faculty of Science, Ochanomizu University, Bunkyo-ku, Tokyo 112-8610, Japan
E-mail: yamada@cc.ocha.ac.jp
Fax: 81-3-5978-5715
Tel: 81-3-5978-5349

Abstract

The cis–trans geometry of a nine-membered lactam significantly depends on the N-substituents; N-acyl-1-aza-2-cyclononanones (1a–c) exist as cis form; in contrast, N-Z-1-aza-2-cyclononanone (1d) exists as trans form both in the crystal and in solution.

Graphical abstract: N-Substituent effect on the cis–trans geometry of nine-membered lactams

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Article information

DOI
https://doi.org/10.1039/B207925A
Article type
Communication
Submitted
13 Aug 2002
Accepted
23 Sep 2002
First published
07 Oct 2002

Chem. Commun., 2002, 2656-2657

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N-Substituent effect on the cis–trans geometry of nine-membered lactams

S. Yamada and A. Homma, Chem. Commun., 2002, 2656 DOI: 10.1039/B207925A

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