Process for the synthesis of oxazolopyridine compounds

Details Process for the synthesis of oxazolopyridine compounds Process for the synthesis of oxazolopyridine compounds

1990-09-17

1991-12-31

Dentz, Bernard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546115, C07D49804

Patent

active

050774085

ABSTRACT:
Process for the synthesis of compounds of formula (I): ##STR1## their pyridinium salts and N-oxides, in which formula: the nitrogen of the pyridine ring is situated in the .alpha.-, .beta.-, .gamma.- or .delta.-position with respect to the ring junction;

REFERENCES:
patent: 4038396 (1977-07-01), Shen et al.
Couture et al., Heterocycles, 22(6), pp. 1383-1385 (1984).
Yamamoto et al., Chemistry Letters, pp. 1225-1228 (1982).

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