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Report | Regular issue | Vol 20, No. 11, 1983, pp.2229-2232
Published online, 1st January, 1970
DOI: 10.3987/R-1983-11-2229
Thermal Decomposition of Dihydroergocristine Methanesulphonate

Rudolf Rucman and Branko Stanovnik

*Department of Chemistry, E. Kardelj University, Murnikova 6, 61000 Ljubljana, Slovenia

Abstract

By thermal decomposition of dihydroergocristine methanesulphonate (1a.CH3SO3H) are formed dihydrolysergyldehidrovaline methyl ester (2), dihydrolysergyldehydrovaline azlactone (3c), dihydrolysergic acid (3a). dihydrolysergamide (3b), S-phenylalanyl-S-proline lactam (4a) and S-phenylalanyl-R-proline lactam (4b).