Process for benzazepine intermediates

Details Process for benzazepine intermediates Process for benzazepine intermediates

1989-11-29

1991-10-01

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

544130, 544131, 544133, 544139, 544141, 544146, 544152, 544158, 544159, 544160, 544161, 544163, 544165, 544167, 544168, 544169, 544171, 546189, 546194, 546208, 546209, 546210, 546213, 546214, 546226, 546230, 546234, 546235, 546237, 546239, 546255, 546278, 546280, 546281, 546283, 546284, 546304, 546306, 546309, 546312, 546316, 546323, 546328, 546330, 546335, 546337, 548196, 548200, 548336, 548337, 548341, 548343, 548517, 548518, 548524, 548527, 548531, 548537, 548538, 548557, 548558, 549 59, 549 60, 549 69,

Patent

active

050535048

ABSTRACT:
A process is disclosed for providing benzazepine intermediates of the formulae ##STR1## wherein R.sub.3, R.sub.4 and Y are as defined herein, which intermediates are useful in a process for the preparation of pharmaceutically useful benzazepine derivatives.

REFERENCES:
patent: 4748329 (1988-05-01), Floyd et al.
L. A. Carpino et al., "Convenient Source of `Naked` Fluoride: Tetra-n-Butylammonium Chloride and Potassium Fluoride Dihydrate", J.C.S. Chem. Comm, 1979, pp. 514-515.
S. Colonna et al., "Asymmetric Induction in the Base-Catalysed Michael Addition of Nitromethane to Chalcone", J.S.C. Chem. Comm., 1978, pp. 238-239.
J. H. Cark, "Fluroide Ion as a Base in Organic Synthesis", Chem. Rev., 1980, 80, pp. 429-452.
Bartoli et al., J. Org. Chem., 1987, 52, 4381-4384.

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