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Reaction of ketenealkylsilylacetals with ethyl propiolate

โœ Scribed by A. Quendo; G. Rousseau

Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
194 KB
Volume
29
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

The reactlon of ketenealkylsilylacetals with ethyl proplolate m the presence of different Lewis acids IS reported to give Michael-type additions or a [2+2] cycloadditlon.

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as the mass standard. The i0 principal ions in the mass spectrum of II, m/z (relative intensity, %): 154 (61), 126 (66), 125 (8), Iii (84), 94 (9), 93 (ii), 72 (7), 70 (i00), 67 (i0), 42 ( 22).