DK100879C - Process for the preparation of derivatives of 3-phenyl-benzopyran-2-spiro-2'-benzopyran. - Google Patents

Process for the preparation of derivatives of 3-phenyl-benzopyran-2-spiro-2'-benzopyran.

Info

Publication number
DK100879C
DK100879C DK277060A DK277060A DK100879C DK 100879 C DK100879 C DK 100879C DK 277060 A DK277060 A DK 277060A DK 277060 A DK277060 A DK 277060A DK 100879 C DK100879 C DK 100879C
Authority
DK
Denmark
Prior art keywords
benzopyran
spiro
phenyl
derivatives
preparation
Prior art date
Application number
DK277060A
Other languages
Danish (da)
Original Assignee
Ncr Co
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
Application filed by Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of DK100879C publication Critical patent/DK100879C/en

Links

DK277060A 1959-07-15 1960-07-14 Process for the preparation of derivatives of 3-phenyl-benzopyran-2-spiro-2'-benzopyran. DK100879C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US100879XA 1959-07-15 1959-07-15

Publications (1)

Publication Number Publication Date
DK100879C true DK100879C (en) 1965-02-01

Family

ID=21743768

Family Applications (1)

Application Number Title Priority Date Filing Date
DK277060A DK100879C (en) 1959-07-15 1960-07-14 Process for the preparation of derivatives of 3-phenyl-benzopyran-2-spiro-2'-benzopyran.

Country Status (1)

Country Link
DK (1) DK100879C (en)

Similar Documents

Publication Publication Date Title
DK94623C (en) Process for the preparation of 7-theophylline derivatives.
DK100879C (en) Process for the preparation of derivatives of 3-phenyl-benzopyran-2-spiro-2'-benzopyran.
DK90011C (en) Process for the preparation of N-sulfanilyl-N'-butylurea.
DK102186C (en) Process for the preparation of 2-sulfanilamido- or 2 (N'-acetyl-) sulfanilamido-3-methoxypyrazines.
DK101524C (en) Process for the preparation of derivatives of 1,3,3-trimethyl-indoline-2-spiro-2'-benzopyran.
DK101521C (en) Process for the preparation of 2,6-dimethyl-4-aminobenzamide derivatives.
DK94461C (en) Process for the preparation of monopivaloylferrocene derivatives.
DK96511C (en) Process for the preparation of N-desulfoheparylurine derivatives.
DK97030C (en) Process for the preparation of neopentylferrocene derivatives.
DK100049C (en) Process for the preparation of 6-methyl-Δ <4> -19-nor-androstenes.
DK102745C (en) Process for the preparation of pyrimido- [5,4-d] -pyrmidine derivatives.
DK100111C (en) Process for the preparation of Δ <4> -6-methyl-19-norandrostenes.
DK100570C (en) Process for the preparation of naphthopyran-2-spiro-2'-3'-methyl-benzopyrans.
DK97181C (en) Process for the preparation of 3-alkyl-benzoxazole-2-spiro-2'-3'-methyl-benzopyrans.
DK98298C (en) Process for the preparation of 3-alkylbenzothiazole-2-spiro-2'-3'-methylbenzopyrans.
DK99631C (en) Process for the preparation of 18,20-oxido-pregnanes.
DK100877C (en) Process for the preparation of 18,20-lactones of 20-hydroxy-pregnan-18-acids.
DK100054C (en) Process for the preparation of 2,4-diamino-5-arylmethyl-pyrimidines.
DK95218C (en) Process for the preparation of 1,1,1-trifluoro-2-bromo-2-chloroethane.
DK96111C (en) Process for the preparation of 3,4-dimethoxy-toluquinone.
DK96596C (en) Process for the preparation of 1,1,1-trifluoro-2-bromo-2-chloroethane.
DK97589C (en) Process for the preparation of 12,13-dimethoxy-ibogamine.
DK98368C (en) Process for the preparation of 18,20-oxido-steroids.
DK94834C (en) Process for the preparation of 1,1,1-trifluoro-2-bromo-2-chloroethane.
DK119704B (en) Process for the preparation of 18,20-lactones of 3-N-methylamino-20-hydroxypregnan-18-acids.