Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-12-05
1991-01-22
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546154, 546156, 546174, 546298, 546314, C07D21516, C07D21512, C07D21170
Patent
active
049872320
ABSTRACT:
2-chloropyridine 3-carboxylic acid esters are prepared by cyclization of 1,3-butadiene derivatives in the presence of hydrogen chloride.
REFERENCES:
J. Org. Chem. 19, 1633, (1954), E. C. Taylor et al., Pyridine-1-Oxides, I. Synthesis of Some Nicotinc Acid Derivatives.
Lee Mary C.
McKane Joseph K.
Shell Internationale Research Maatschappij B.V.
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