Unexpected regio- and stereoselective reaction of 2-bromomethyl-1,3-thiaselenole with ketones. Formation of 1-[(Z)-2-(vinylsulfanyl)ethenyl]selanylalkan-2-ones
✍ Scribed by M. V. Penzik; S. V. Amosova; A. I. Albanov; V. A. Potapov
- Book ID
- 125504944
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2014
- Tongue
- English
- Weight
- 171 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1070-4280
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## Abstract 1,3‐Dipolar cycloaddition of __E__‐2‐arylidene‐1‐indanones 1a‐h and Z‐aurones 3a‐c with diazomethane provided __trans__‐spiro‐1‐pyrazolines 2a‐h and 4a‐c, respectively, as sole products. However, the same cycloaddition of Z‐1‐thioaurones 5a‐f afforded a mixture of Z‐α‐methyl‐1‐thioauron