CA903216A - 3-keto-1,2,8,9-tetraazaphenalenes and process for their preparation - Google Patents

3-keto-1,2,8,9-tetraazaphenalenes and process for their preparation

Info

Publication number
CA903216A
CA903216A CA903216A CA903216DA CA903216A CA 903216 A CA903216 A CA 903216A CA 903216 A CA903216 A CA 903216A CA 903216D A CA903216D A CA 903216DA CA 903216 A CA903216 A CA 903216A
Authority
CA
Canada
Prior art keywords
tetraazaphenalenes
keto
preparation
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
CA903216A
Inventor
E. Francis John
J. Doebel Karl
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.)
Novartis Corp
Original Assignee
Ciba Geigy Corp
Publication date
Application granted granted Critical
Publication of CA903216A publication Critical patent/CA903216A/en
Expired legal-status Critical Current

Links

CA903216A 3-keto-1,2,8,9-tetraazaphenalenes and process for their preparation Expired CA903216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA903216T

Publications (1)

Publication Number Publication Date
CA903216A true CA903216A (en) 1972-06-20

Family

ID=36411094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA903216A Expired CA903216A (en) 3-keto-1,2,8,9-tetraazaphenalenes and process for their preparation

Country Status (1)

Country Link
CA (1) CA903216A (en)

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