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Chemistry of acetylenic ethers XXXVII. Some new acetylenic ethers

✍ Scribed by J. R. Nooi; J. F. Arens

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
217 KB
Volume
78
Category
Article
ISSN
0165-0513

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✦ Synopsis

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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✍ S. H. Groen; J. F. Arens 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 258 KB

## 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