CA857902A - 4,4'-bipyrans and 4,4'-bipyrylenes and their production - Google Patents

4,4'-bipyrans and 4,4'-bipyrylenes and their production

Info

Publication number
CA857902A
CA857902A CA857902A CA857902DA CA857902A CA 857902 A CA857902 A CA 857902A CA 857902 A CA857902 A CA 857902A CA 857902D A CA857902D A CA 857902DA CA 857902 A CA857902 A CA 857902A
Authority
CA
Canada
Prior art keywords
bipyrylenes
bipyrans
production
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
CA857902A
Inventor
D. Bowden Roy
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Publication date
Application granted granted Critical
Publication of CA857902A publication Critical patent/CA857902A/en
Expired legal-status Critical Current

Links

CA857902A 4,4'-bipyrans and 4,4'-bipyrylenes and their production Expired CA857902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA857902T

Publications (1)

Publication Number Publication Date
CA857902A true CA857902A (en) 1970-12-08

Family

ID=36343398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA857902A Expired CA857902A (en) 4,4'-bipyrans and 4,4'-bipyrylenes and their production

Country Status (1)

Country Link
CA (1) CA857902A (en)

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