A general method for the preparation of 1,1-bis(trifluoromethyl)substituted olefins
✍ Scribed by Hengyao Lu; Donald J. Burton
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 207 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0040-4039
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📜 SIMILAR VOLUMES
I-Phenylthio-l-trimethylsilylalkanes(1) are prepared in high yie'd from l,l-bis(phenylthio)acetals(2) by reaction vith lithium nanhthalenide(3) followed by chlorotrimethylsilane. cx-Silylcarbanion § are formed from the alkanes(1) and lithium naphthalenide(3). Subsequent reaction vith cerbonyl compou
## Abstract The 1‐(3‐methylazulen‐1‐yl)alkan‐1‐ones, when oxidized with excess 2,3‐dichloro‐5,6‐dicyano‐1,4‐benzoquinone (=4,5‐dichloro‐3,6‐dioxocyclohexa‐1,4‐diene‐1,2‐dicarbonitrile; DDQ) in aqueous acetone in the presence of 1‐(3‐demethylazulen‐1‐yl)alkan‐1‐ones, form the corresponding unsymmetr