Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2007-06-19
2007-06-19
Rao, Deepak (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C544S285000, C544S309000
Reexamination Certificate
active
10485972
ABSTRACT:
The invention relates to a process for the preparation of certain pyrimidinone compounds.
REFERENCES:
patent: WO 01/60805 (2001-08-01), None
Lempert et al., “rH-3, 1-Benzoxazin-4-one. I. Rearrangement of N-(2-carboxyphenyl)cyanamide and N-(2-carboxyphenyl)carbodiimides into 1,2-dihydro-2-imino-4H-3, 1-benzoxazin-4-one and 1,2,3,4-tetrahydroquinazoline-2, 4-dione”, Monatsh, 1964, 95(3), pp. 950-960.
Mulholland Keith Raymond
Ross Andrew R
Slater Graham Ralph
Smith Gillian Elizabeth
Kanagy James M.
Kinzig Charles
McCarthy Mary
Rao Deepak
SmithKline Beecham p.l.c.
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