9,10,11,12-Tetrachloro-12b-hydroxy-2,12c-dimethyl-3a,5,6,12c-tetrahydrothiazalo[4,5-c][1,4]oxazepino[5,4-a]isoindol-8-one monohydrate
✍ Scribed by Fun, Hoong-Kun ;Teh, Jeannie Bee-Jan ;Chen, Da-Qing ;Xu, Jian-Hua
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 286 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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In the molecule of the title compound, C~19~H~18~N~6~O~10~, the 2,8-dimethoxy-4,10-dimethyl-1,3,7,9-tetranitro analogue of Tröger's base, the diazocine bridge imparts a twist such that the two aryl rings are offset with respect to one another. The hinge angle of the molecule, measured as the dihedra
## Abstract Trimerization of butadiene in the presence of Ni(0) affords (1__E__,5__E__,9__E__)‐cyclododeca‐1,5,9‐triene **1** (__ttt__‐CDT), (1__E__,5__E__,9__Z__)‐cyclododeca‐1,5,9‐triene **2** (__ttc__‐CDT), and other isomers/oligomers. After optimization of reaction conditions, [^14^C~6~‐3,4,7,8