Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1995-02-27
1996-06-11
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
544300, 544303, 544310, 544313, 544315, 544311, 544312, 544316, 544317, 544318, 544319, 544320, 544321, 544323, 544324, 544325, 544326, 544328, 544329, 544330, 544331, 544332, 544333, C07D23930
Patent
active
055257240
ABSTRACT:
A process for the preparation of chloropyrimidines of the formula ##STR1## in which the substituents may be alkyl, cycloalkyl, aryl or radicals containing heteroatoms, but in which at least one of the substituents R.sup.1 to R.sup.4 must be Cl, which involves:
REFERENCES:
patent: 3845194 (1974-10-01), Somlo et al.
Ford John M.
Huels Aktiengesellschaft
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