Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1981-05-18
1983-12-06
Raymond, Richard
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
546346, 546345, 546303, 546312, 570194, 570195, 260465G, 568936, 568588, C07D23902, C07D21172, C07D21184, C07D21326
Patent
active
044195141
ABSTRACT:
Method for converting carboxylic acid groups to trichloromethyl groups which comprises contacting a compound containing a carboxylic acid group with a phenylphosphonic dichloride and phosphorus pentachloride and recovering the thus produced product.
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McKendry Lennon H.
Ricks Michael J.
Rogers Richard B.
Brookens Ronald G.
Jones S. Preston
Raymond Richard
The Dow Chemical Company
Whittenbaugh Robert C.
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