Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2007-05-29
2007-05-29
Tucker, Zachary C. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
active
10973631
ABSTRACT:
A process for preparing substituted 5-amino-pyrazolo[4,3-e]-1,2,4-triazolo-[1,5-c]pyrimidine compounds having an aminoalkyl substituent at the 7-position is disclosed, wherein the pyrimidine ring is cyclized using a cyanating agent.
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Jones Andrew D.
Kuo Shen-Chun
Tran Loc Thanh
Tsai David Jieh-Shyh
Zhang Pengyi
Leeser Erich A.
Schering Corporation
Tucker Zachary C.
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