Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-03-12
1985-01-01
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546 68, 546 69, 548495, 548500, 548505, 548507, 548510, C07D45700, C07D20914
Patent
active
044916647
ABSTRACT:
A process for the production of an ergot alkaloid comprising intramolecularly cyclizing a 3-iminoethyl-4-trans-buta-1',3'-dienylindole to produce an 8-ergolene and as necessary converting the resultant ergolene into the desired ergot alkaloid.
REFERENCES:
patent: 4245095 (1981-01-01), Horwell et al.
McOmie, J. F. W.; Protective Groups in Organic Chemistry, Plenum Press, New York, NY (1973).
Daus Donald G.
Hendricks G.
Honor Robert S.
McGovern Thomas O.
Sandoz Ltd.
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