Studies of polymerization and ring formation. XX. Many-membered cyclic esters

JW Hill, WH Carothers

Index: Hill; Carothers Journal of the American Chemical Society, 1933 , vol. 55, p. 5031,5034

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Citation Number: 92

Abstract

Summary Data are presented on the anhydrides of dibasic acids COOH (CH2).-COOH where n is 4, 5, 6, 7, 8, 9, 10, 11, 12 and 16. The anhydrides are all linear polymers and when heated in a molecular still they are depolymerized yielding volatile products (,% anhydrides). The latter are either cyclic monomers or dimers depending upon the unit length, n+ 3. The compounds thus obtained are rings of 7, 8, 18 (dimeric), 10, 22 (dimeric), ...