Process for preparing 3-(4-aminoethoxybenzoyl)benzo[b]thiophenes

Details Process for preparing 3-(4-aminoethoxybenzoyl)benzo[b]thiophenes Process for preparing 3-(4-aminoethoxybenzoyl)benzo[b]thiophenes

1981-04-03

1982-11-09

Raymond, Richard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2603303, 544146, 549 51, 548525, C07D33358, C07D40912

Patent

active

043585930

ABSTRACT:
The use of particularly advantageous protecting groups for the hydroxy groups of 6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophenes provides a high-yielding process for the preparation of such compounds having a 4-(2-aminoethoxy)benzoyl 3-group.

REFERENCES:
patent: 3947470 (1976-03-01), Brenner et al.
patent: 3983245 (1976-09-01), Ladd and Ross
patent: 4001426 (1977-01-01), Brenner et al.
patent: 4133814 (1979-01-01), Jones et al.
McOmie, Ed., Protective Groups In Organic Chemistry, Plenum Press, London, 1973, Chapters 3 and 4.
Morrison et al., Organic Chemistry, Allyn And Bacon, Inc., Boston 1970, pp. 731-733.
Looker and Thatcher, J. Org. Chem. 19, 784-788 (1954).

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