Ketenes. II. Cycloaddition of Dialkyl Ketenes to Vinyl Ethers1
RH Hasek, PG Gott, JC Martin
Index: Hasek,R.H. et al. Journal of Organic Chemistry, 1964 , vol. 29, p. 1239 - 1241
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Citation Number: 19
Abstract
The cycloaddition of di~ henylketene~ and diniethylketene4 to vinyl ethers was first noted by Staudinger in 1920. A few years ago, Hurd and Kinibrough reexamined the cycloadduct of diphenylketene and ethyl vinyl ether, and corrected Staudinger's original structural assignment by demonstrating that the product was 3-ethoxy-2, 2-diphenylcyclobutanone (Ia). 5 They also prepared and characterized the corresponding cycloadducts, IIa and IIb, ...
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