Researches on acetylenic compounds. Part LXVII. Base-catalysed isomerisation of hepta-2,4-diynoic, hepta-2,5-diynoic, hepta-4,5-dien-2-ynoic, and hepta-2,3-dien-5-ynoic acids
作者:R. J. Bushby、G. H. Whitham
DOI:10.1039/j29700000563
日期:——
at 65° hepta-2,4-diynoicacid is isomerised to hepta-3,5-diynoic acid. A number of possible intermediates in this isomerisation: hepta-4,5-dien-2-ynoic, hepta-2,5-diynoic, and hepta-2,3-dien-5-ynoicacid have been synthesised and shown to isomerise to hepta-3,5-diynoic acid at rates which progressively increase in the order given. From a kinetic and spectroscopic study of the isomerisations it is concluded