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RO83730B1 - 1,1'-oxy-bis-(4n-benzamido)-benzene derivatives and process for preparing the same - Google Patents

1,1'-oxy-bis-(4n-benzamido)-benzene derivatives and process for preparing the same

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Publication number
RO83730B1
RO83730B1 RO106351A RO10635182A RO83730B1 RO 83730 B1 RO83730 B1 RO 83730B1 RO 106351 A RO106351 A RO 106351A RO 10635182 A RO10635182 A RO 10635182A RO 83730 B1 RO83730 B1 RO 83730B1
Authority
RO
Romania
Prior art keywords
methoxy
represents hydrogen
benzamido
oxy
bis
Prior art date
Application number
RO106351A
Other languages
Romanian (ro)
Other versions
RO83730A2 (en
Inventor
Stefan Cilianu-Bibian
Elisabeta Raluca Bozga
Florentina Ioana Cunescu
Alexandru Carstea
Constantin Emil Sarbu
Original Assignee
Institutul De Cercetari Chimico-Farmaceutice
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 Institutul De Cercetari Chimico-Farmaceutice filed Critical Institutul De Cercetari Chimico-Farmaceutice
Priority to RO106351A priority Critical patent/RO83730B1/en
Publication of RO83730A2 publication Critical patent/RO83730A2/en
Publication of RO83730B1 publication Critical patent/RO83730B1/en

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Abstract

Inventia se refera la derivati de 1,1'-oxi-bis-(4N-benzamido)-benzen cu structura corespunzatoare formulei generale I: (vezi formula) în care R1 reprezinta hidrogen, nitro, hidroxi, metoxi, R2 reprezinta hidrogen, metoxi, R3 reprezinta hidrogen, acetilamina, metoxi, R4 reprezinta hidrogen, metoxi, clor, R5 reprezinta solide, cristaline, cu puncte de topire cuprinse între 94 si 180 degree C, care se obtin prin aceea ca acidul benzoic substituit cu formula generala II: (vezi formula) în care R1, R2, R3, R4, R5 au semnificatia de mai sus, se supune condensarii directe cu 1,1'-oxi-bis-(2-clor-4-amino-2'-etoxi)-benzen cu formula III: (vezi formula) în cantitati stoichiometice, în mediu de clorbenzen, în prezenta triclorurii de fosfor, la temperatura de reflux.The invention relates to 1,1'-oxy-bis- (4N-benzamido) -benzene derivatives of the general formula I wherein R 1 represents hydrogen, nitro, hydroxy, methoxy, R 2 represents hydrogen, methoxy , R 3 represents hydrogen, acetylamine, methoxy, R 4 represents hydrogen, methoxy, chloro, R 5 represents crystalline solids, with melting points ranging from 94 to 180 ° C, which is obtained by substituting the substituted benzoic acid of the general formula II: see the formula) wherein R1, R2, R3, R4, R5 are as defined above, are subjected to direct condensation with 1,1'-oxybis- (2-chloro-4amino-2'-ethoxy) of formula III: (see formula) in stoichiometric amounts in chlorobenzene in the presence of phosphorus trichloride at reflux temperature.

RO106351A 1982-01-19 1982-01-19 1,1'-oxy-bis-(4n-benzamido)-benzene derivatives and process for preparing the same RO83730B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO106351A RO83730B1 (en) 1982-01-19 1982-01-19 1,1'-oxy-bis-(4n-benzamido)-benzene derivatives and process for preparing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO106351A RO83730B1 (en) 1982-01-19 1982-01-19 1,1'-oxy-bis-(4n-benzamido)-benzene derivatives and process for preparing the same

Publications (2)

Publication Number Publication Date
RO83730A2 RO83730A2 (en) 1984-04-12
RO83730B1 true RO83730B1 (en) 1984-05-30

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ID=20110966

Family Applications (1)

Application Number Title Priority Date Filing Date
RO106351A RO83730B1 (en) 1982-01-19 1982-01-19 1,1'-oxy-bis-(4n-benzamido)-benzene derivatives and process for preparing the same

Country Status (1)

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Also Published As

Publication number Publication date
RO83730A2 (en) 1984-04-12

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