Preparation of 1-(4-tetrahydropyranyl)- or 1-(4-tetrahydrothiopy

Details Preparation of 1-(4-tetrahydropyranyl)- or 1-(4-tetrahydrothiopy Preparation of 1-(4-tetrahydropyranyl)- or 1-(4-tetrahydrothiopy

1990-07-03

1993-06-22

Robinson, Allen J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549427, C07D33502, C07D30906

Patent

active

052217531

ABSTRACT:
A process for the preparation of 1-(4-tetrahydropyranyl)- or 1-(4-tetrahydrothiopyranyl)prop-1-en-3-ones of the general formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.10 -alkyl, C.sub.1 - to C.sub.10 -alkoxy or aryloxy,

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patent: 4591458 (1986-05-01), Sugihara et al.
patent: 4920232 (1990-04-01), Goetz et al.
H. Sugihara et al., Chemical Abstracts 104: 129935d, "1,5-Benzothiazepines," p. 706 (1986) and CAS report.
Takeda, Chemical Abstracts 104: 50900e, "Antihypertensive benzoxazepinones," p. 524 (1986) and CAS report.

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