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CA639735A - Derivatives of 1-phenyl, 3,3-dimethyl-spiro-((2'h-1'-benzopyran)-2,2'-indoline) - Google Patents

Derivatives of 1-phenyl, 3,3-dimethyl-spiro-((2'h-1'-benzopyran)-2,2'-indoline)

Info

Publication number
CA639735A
CA639735A CA639735A CA639735DA CA639735A CA 639735 A CA639735 A CA 639735A CA 639735 A CA639735 A CA 639735A CA 639735D A CA639735D A CA 639735DA CA 639735 A CA639735 A CA 639735A
Authority
CA
Canada
Prior art keywords
benzopyran
indoline
spiro
dimethyl
phenyl
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
CA639735A
Inventor
Berman Elliott
E. G. Taylor John
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
Publication date
Application granted granted Critical
Publication of CA639735A publication Critical patent/CA639735A/en
Expired legal-status Critical Current

Links

CA639735A Derivatives of 1-phenyl, 3,3-dimethyl-spiro-((2'h-1'-benzopyran)-2,2'-indoline) Expired CA639735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA639735T

Publications (1)

Publication Number Publication Date
CA639735A true CA639735A (en) 1962-04-10

Family

ID=35918247

Family Applications (1)

Application Number Title Priority Date Filing Date
CA639735A Expired CA639735A (en) Derivatives of 1-phenyl, 3,3-dimethyl-spiro-((2'h-1'-benzopyran)-2,2'-indoline)

Country Status (1)

Country Link
CA (1) CA639735A (en)

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