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An improved procedure for aldehyde-to-alkyne homologation via 1,1-dibromoalkenes; synthesis of 1-bromoalkynes

✍ Scribed by D. Grandjean; P. Pale; J. Chuche

Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
178 KB
Volume
35
Category
Article
ISSN
0040-4039

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## Abstract An improved synthesis for the preparation of 3‐oxo‐1,2,5‐thiadiazolidine 1,1‐dioxides has been developed. This facile two‐step procedure fromα‐amino acid esters and chlorosulfonyl isocyanate results in excellent yields of products.