Synthesis of some Newer Biologically Active Substituted-3-((6-substituted-2-hydrazono)benzothiazolyl)-2-indolines. Part LIV
5-Bromo- and 5-methyl-7-bromoisatins (1a) have been synthesised and transformed into the corresponding 1-methyl analogs (1b). 1a and 1b have been condensed with 2-hydrazinobenzothiazoles to yield 3 and 4.Mannich condensation of 3 using morpholine and piperidine furnished the corresponding 1-morpholino/piperidinomethyl analogs (5).The compounds have been characterised by means of ir and pmr spectroscopy.
Varma, R. S.,Tewari, Manju
p. 39 - 41
(2007/10/02)
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