✦ LIBER ✦
Enolic ortho esters. V.1 Regiospecific generation of diketo ester monoacetals by reaction of an enolic ortho ester with ketene silyl acetals
✍ Scribed by D.J. Collins; M. Dosen; A.G. Jhingran
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 125 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
Reaction of the enolic ortho ester (1) with the ketene silyl acetals (2a-c) in dichloromethane in the presence of titanium tetrachloride at low temperatures gave the respective keto acetal esters (6a-c) via the titanium enolates (3a-c).