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2-butynoic acid

CAS No. 590-93-2 | Catalog No. 655394


Synonyms
Tetrolic Acid; 1-Propynecarboxylic acid; 3-Methylpropiolic acid;2-Butinsäure;Acide 2-butynoïque;But-2-ynoic acid;1-Propynecarboxylic acid;2-butynoate;2-Butynoicacid


Properties

Boiling Point 203ºC @ 760 mmHg
Form Crystalline powder
Melting Point 78 – 80ºC
Molecular Weight 84.07
Solubility Soluble in water
Specific Gravity 1.159 g/cm3

Application
It was employed as synthon in a variety of reactions; including cycloacylation of phenols to flavones and chromones; and cyclization to γ-butyrolactones. It was also used in synthesis of Z-trisubstituted olefins via γ-alkylation.

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