Method for the production of 2-bromo-5,6,7,8-tetrahydroquinoline

Details Method for the production of 2-bromo-5,6,7,8-tetrahydroquinoline Method for the production of 2-bromo-5,6,7,8-tetrahydroquinoline

1990-08-08

1991-06-25

Dentz, Bernard I.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546153, 546170, 546173, 546174, 546180, C07D21518, C07D23104

Patent

active

050268546

ABSTRACT:
The invention concerns compounds of formula I ##STR1## or a salt thereof, wherein R.sup.1 and R.sup.2 each independently represent hydrogen, lower alkyl, lower alkoxy, carboxyloweralkyl, carboxy, hydroxyloweralkyl, halogen, haloloweralkyl, lower alkoxycarbonyl, optionally substituted aryl or optionally substituted aralkyl, n represents an integer from 3 to 6; R.sup.3 which is optionally present represents single or multiple substitution on one or more of the aliphatic carbons by one or more substituents selected from lower alkyl, optionally substituted aryl and optionally substituted aralkyl; A represents a group of formula (i) or (ii) below:

REFERENCES:
Chemical Abstracts, vol. 59, 6364c (1963); Hahn et al., Roczniki Chem. vol. 37, pp. 109-112 (1963).
Chemical Abstracts, vol. 89, 197349n (1978); Mishima et al., Japan. Kokai 78 68,788, Jun. 1978.

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