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Chemistry of acetylenic ethers XLIX: Vinylthioethyne and some of its derivatives

✍ Scribed by L. Brandsma; J. F. Arens

Book ID
104586297
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
177 KB
Volume
80
Category
Article
ISSN
0165-0513

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πŸ“œ SIMILAR VOLUMES

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## Abstract A number of 1‐methoxy‐1‐alkynes and some other acetylenic ethers were prepared using the procedure outlined in the reaction scheme. The yields were satisfactory.

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## Abstract Ethoxyethyne slowly adds diazomethane to yield 4‐ethoxypyrazole I, the structure of which has been proved by synthesis from 1,1,2,3,3‐pentaethoxypropane IV and hydrazine. Ethylthioethyne V, on the contrary, is converted by diazomethane into 3‐ethylthiopyrazole VI, the structure of which