Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-05-29
1993-04-27
Rotman, Alan L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546250, 546281, 546316, 546317, 546323, C07D21371, C07D21356, C07D40104
Patent
active
052063720
ABSTRACT:
Certain 2-chloropyridine derivatives, which are useful as starting materials for the preparation of various herbicides and fungicides, are prepared by cyclization of 1,3-butadiene derivatives in the presence of hydrogen chloride.
REFERENCES:
patent: 4080336 (1978-03-01), Said
Rotman Alan L.
Shell Research Limited
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