Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-01-23
1976-11-16
Rizzo, Nicholas S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D22322
Patent
active
039923703
ABSTRACT:
1,1-Dichloro-1a, 10b-dihydrodibenzo(b,f)cycloprop(d)azepine-6(1H)-carboxaldehyde is produced in good yield through a reaction between a compound of the general formula ##SPC1##
Wherein R stands for hydrogen or formyl group and chloroform. Thus obtained product can be used as a valuable intermediate for synthesizing medicines and is further convertible to known drugs, e.g. 6-(3-dimethylamino)propyl)-1, 1a, 6, 10b-tetrahydrodibenzo(b,f)cycloprop(d)azepine.
REFERENCES:
patent: 3265743 (1966-08-01), Robinson
patent: 3658908 (1972-04-01), Coyne et al.
patent: 3679662 (1972-07-01), Morita et al.
Starks, J.A.C.S., vol. 93, pp. 195-199, (1971).
Ishiguro Toshihiro
Kawano Yasuhiko
Kawashima Kenya
Saraie Takahiro
Rizzo Nicholas S.
Springer D. B.
Takeda Chemical Industries Ltd.
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