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Chemistry of heterocyclic compounds. 11. Isomerization of acetylenic diols: 1,4-diphenyl-1,4-di(2′-pyridyl)-2-butyne-1,4-diol

✍ Scribed by George R. Newkome; R.A. Martin; N.S. Bhacca


Book ID
104247132
Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
207 KB
Volume
14
Category
Article
ISSN
0040-4039

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Hydrogenation of 2-butyne-1,4-diol (B 3 D) using 1% Pt/CaCO 3 catalyst was carried out to give 2-butene-1,4-diol (B 2 D) or butane-1,4-diol (B 1 D) selectively or a mixture of two diols eliminating the formation of acetal, aldehyde, and alcohols as side products. In presence of ammonia, nearly compl