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Formation of α-chlorobutyrolactone from the corresponding α-trichloroacetate

✍ Scribed by Sigeru Torii; Takuya Furuta; Tetsunosuke Tanabe; Akira Takeda

Publisher: Elsevier Science
Year: 1968
Tongue: French
Weight: 165 KB
Volume: 9
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)89905-0

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✦ Synopsis

We hare recently reported a novel ayntheeis of a,S-epoxybutyrolactone (I) from a-diazolactone derivatives (II), which can be obtained by nitrosation of the appropriate a-carboxybutyrolactone.

We now wish to describe a ring opening reaction of the epoxylactone (I) by trichloroacetic acid to give the trichloroacetate (III) of the correeponding diol (V). The ester (III) undergoes an inter-OOBt %+

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