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Chemistry of acetylenic ethers. XLVIII: Vinyloxyethyne and vinyloxy-1-hexyne

✍ Scribed by L. Brandsma; J. F. Arens


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
160 KB
Volume
79
Category
Article
ISSN
0165-0513

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Chemistry of acetylenic ethers LVI Di-(a
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## Abstract A number of di‐(alk‐1‐ynyl) thioethers VIII have been synthesized using reaction scheme 1. Except for diethynyl ether VI the compounds are relatively stable. Reaction scheme 2 has been used to synthesize di‐(prop‐1‐ynyl) ether, a substance exploding at room temperature. An attempt to p

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## Abstract The compounds listed in tables I and II have been prepared by the reaction schemes A, B and C. Acid hydrolysis of vinyloxyethyne produces vinyl acetate. Rearrangement of 3‐hydroxy‐3‐methyl‐1‐vinyloxy‐1‐butyne XIV by acid gives the vinyl ester of 2,2‐dimethylacrylic acid XV.

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## Abstract Aldehydes can be converted into 1‐alkylthio‐1‐alkenes II (thioenol ethers) __via__ either α‐chlorothioethers I by elimination of hydrogen chloride or, better, thioacetals VI by acid catalysed elimination of thiol. Bromination of the thioenol ethers II followed by subsequent dehydrobromi