The structures of ethyl 1,2,2-tricyano-3,3-dimethylcyclopropane-1-carboxylate and ethyl 2',3,3'-tricyanocyclohexanespirocyclopropane-2'-carboxylate
โ Scribed by Ramasubbu, N. ;Rajaram, J. ;Venkatesan, K.
- Book ID
- 114528108
- Publisher
- International Union of Crystallography
- Year
- 1982
- Weight
- 415 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0567-7408
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Mo K radiation = 0.17 mm ร1 T = 295 (2) K 0.26 ร 0.18 ร 0.14 mm ## Data collection Bruker Kappa APEX2 diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 1996) T min = 0.892, T max = 0.976 29408 measured reflections 6381 independent reflections 4267 reflections with I > 2(I) R in
This work is part of the Ph. D. thesis of H . B. [l]. Present address: Ciba Geigy AG, CH4002 Basel b a C R', R2 = suitable protecting groups A retrosynthetic plan for a first approach is depicted in Scheme 1. The stability of polyoximic acid (3) towards boiling 3~ HC1 during the hydrolysis of polyo