CA1015753A - Process for the preparation of novel pyrido (2,3-d)pyrimidine-2,4(1h,3h)-diones - Google Patents

Process for the preparation of novel pyrido (2,3-d)pyrimidine-2,4(1h,3h)-diones

Info

Publication number
CA1015753A
CA1015753A CA177,831A CA177831A CA1015753A CA 1015753 A CA1015753 A CA 1015753A CA 177831 A CA177831 A CA 177831A CA 1015753 A CA1015753 A CA 1015753A
Authority
CA
Canada
Prior art keywords
diones
pyrimidine
preparation
novel pyrido
pyrido
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA177,831A
Other versions
CA177831S (en
Inventor
Kanji Noda
Akira Nakagawa
Toshiharu Motomura
Shunzo Yamasaki
Hiroyuki Ide
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisamitsu Pharmaceutical Co Inc
Original Assignee
Hisamitsu Pharmaceutical Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP3392373A external-priority patent/JPS5648514B2/ja
Priority claimed from JP3690173A external-priority patent/JPS5648515B2/ja
Priority claimed from JP3917573A external-priority patent/JPS5648516B2/ja
Application filed by Hisamitsu Pharmaceutical Co Inc filed Critical Hisamitsu Pharmaceutical Co Inc
Application granted granted Critical
Publication of CA1015753A publication Critical patent/CA1015753A/en
Expired legal-status Critical Current

Links

CA177,831A 1973-03-22 1973-07-24 Process for the preparation of novel pyrido (2,3-d)pyrimidine-2,4(1h,3h)-diones Expired CA1015753A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3392373A JPS5648514B2 (en) 1973-03-22 1973-03-22
JP3690173A JPS5648515B2 (en) 1973-03-29 1973-03-29
JP3917573A JPS5648516B2 (en) 1973-04-04 1973-04-04

Publications (1)

Publication Number Publication Date
CA1015753A true CA1015753A (en) 1977-08-16

Family

ID=27288257

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,831A Expired CA1015753A (en) 1973-03-22 1973-07-24 Process for the preparation of novel pyrido (2,3-d)pyrimidine-2,4(1h,3h)-diones

Country Status (1)

Country Link
CA (1) CA1015753A (en)

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19940816