RO96328B1 - Process for preparing dehydrobenzofuran and chroman-carboxamide derivatives - Google Patents

Process for preparing dehydrobenzofuran and chroman-carboxamide derivatives

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Publication number
RO96328B1
RO96328B1 RO126819A RO12681987A RO96328B1 RO 96328 B1 RO96328 B1 RO 96328B1 RO 126819 A RO126819 A RO 126819A RO 12681987 A RO12681987 A RO 12681987A RO 96328 B1 RO96328 B1 RO 96328B1
Authority
RO
Romania
Prior art keywords
group
formula
page
dehydrobenzofuran
chroman
Prior art date
Application number
RO126819A
Other languages
Romanian (ro)
Inventor
Franceschini Jacqueline
Margarit Josette
Original Assignee
Laboratoires Delagrange
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 Laboratoires Delagrange filed Critical Laboratoires Delagrange
Priority to RO126819A priority Critical patent/RO96328B1/en
Publication of RO96328B1 publication Critical patent/RO96328B1/en

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  • Plural Heterocyclic Compounds (AREA)
  • Furan Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

Procedeu pentru prepararea unor derivati de dehidrobenzofuran-si croman-carboxamide cu formula generala I (vezi formula în pag.1 a descrierii) în care R si R' reprezinta, independent unul de altul, atomi de hidrogen sau grupari metil, n este egal cu 1 sau 2, m este egal cu 1 sau 2, Z este o grupare dietilamino sau o grupare cu formula a (vezi formula în pag.1 a descrierii) în care R3 este o grupare etil, alil, ciclopropilmetil sau ciclohexenilmetil, X este un atom de hidrogen, o grupare amino, metoxi sau metil, Y este un atom de hidrogen sau de clor, o grupare etilsulfonil, caracterizat prin aceea ca un acid cu formula generala II (vezi formula în pag.1 a descrierii) în care Y, X, R, n sînt definiti ca mai înainte, se trateaza cu o amina cu formula generala III (vezi formula în pag.1 a descrierii) în care Z, R' si m sînt definiti ca mai înainte, în prezenta unui solvent, ales dintre cloroform, acetona, metiletilcetona sau dimetilformamida, la o temperatura cuprinsa între 5 degree C si temperatura ambianta.Process for the preparation of dehydrobenzofuran- and chroman-carboxamide derivatives of the general formula I (see formula on page 1 of the description) wherein R and R 'independently of one another represent hydrogen or methyl groups n is equal to 1 or 2, m is equal to 1 or 2, Z is a diethylamino group or a group of formula (wherein the formula in page 1 of the description) wherein R3 is an ethyl, allyl, cyclopropylmethyl or cyclohexenylmethyl group, X is a a hydrogen atom, an amino, methoxy or methyl group, Y is a hydrogen or chlorine atom, an ethylsulfonyl group, characterized in that an acid of general formula II (see formula on page 1 of the specification) wherein Y, X, R, n are as hereinbefore defined, is treated with an amine of general formula III (see formula on page 1 of the description) wherein Z, R 'and m are as hereinbefore defined, in the presence of a solvent selected from chloroform, acetone, methyl ethyl ketone or dimethylformamide at a temperature between 5 degrees C and ambient temperature.

RO126819A 1987-01-29 1987-01-29 Process for preparing dehydrobenzofuran and chroman-carboxamide derivatives RO96328B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO126819A RO96328B1 (en) 1987-01-29 1987-01-29 Process for preparing dehydrobenzofuran and chroman-carboxamide derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO126819A RO96328B1 (en) 1987-01-29 1987-01-29 Process for preparing dehydrobenzofuran and chroman-carboxamide derivatives

Publications (1)

Publication Number Publication Date
RO96328B1 true RO96328B1 (en) 1989-04-01

Family

ID=40905135

Family Applications (1)

Application Number Title Priority Date Filing Date
RO126819A RO96328B1 (en) 1987-01-29 1987-01-29 Process for preparing dehydrobenzofuran and chroman-carboxamide derivatives

Country Status (1)

Country Link
RO (1) RO96328B1 (en)

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