DIACETYLENE DIOL DERIVATIVES AND PROCESS FOR PREPARING THE SAME

摘要

1450753 2,7-Disubstituted-octa-3,5-diyn-2,7- diols KURARAY CO Ltd 14 March 1974 [19 March 1973 14 Jan 1974 (2)] 11465/74 Heading C2C [Also in Division C5] The invention comprises compounds (I) wherein R and R1 are saturated or olefinically unsaturated C 11 -hydrocarbon residues having the carbon skeleton optionally substituted by a radical replaceable by hydrogen upon hydrogenolysis and their preparation by reacting a compound RCOCH 3 or R1COCH 3 or a mixture of two or more thereof with diacetylene in known manner or by oxidatively dimerizing or codimerizing one or more of R-C(CH 3 ) 2 C#CH or The compound of the invention may be reduced to form squalone.