Process for preparing pyrazolopyridine compounds

Details Process for preparing pyrazolopyridine compounds Process for preparing pyrazolopyridine compounds

1983-05-31

1986-01-07

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 83, C07D49100, C07D51300

Patent

active

045635250

ABSTRACT:
Compounds of the formula (I): ##STR1## wherein R.sup.4 is hydrogen, D is oxygen or NR.sup.6, R.sup.1, R.sup.3, R.sup.6, R.sup.7 and R.sup.8 have defined values, and n is 1 or 2 are produced by internally cyclizing a compound of the formula (XV): ##STR2## wherein R.sup.19 is a value of R.sup.1 or hydrogen and, if R.sup.19 is hydrogen, reacting the cyclization product with R.sup.1 --Br and a weak base such as potassium carbonate.

REFERENCES:
patent: 3953457 (1976-04-01), Dreikorn et al.

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