ENOLIC ORTHO ESTERS. V. REGIOSPECIFIC GENERATION OF DIKETO ESTER MONOACETALS BY REACTION OF AN ENOLIC ORTHO ESTER WITH KETENE SILYL ACETALS.

DOI: 10.1016/S0040-4039(00)94571-4

Source and publish data:

Tetrahedron Letters p. 421 - 422 (1990)

Update date:2022-07-30

Topics:

Authors:

Collins, D. J.

Dosen, M.

Jhingran, A. G.

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Article abstract of DOI:10.1016/S0040-4039(00)94571-4

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).

Full text of DOI:10.1016/S0040-4039(00)94571-4

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