Patenton — panteon of patents

(19)

RU

(11)

2 089 541

(13)

C1

(51)

IPC

(21) (22)

Application

95112353/04, 1995-07-18

(22)

Actual filing date

1995-07-18

(45)

Published

1997-09-10

(72)

Inventor

Zharikov L.K.Karlina L.M.Khitrov N.V.Reshetnikov A.V.Zharov I.F.Zheltukhin I.A.Militsin I.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF PREPARING N-AMINOBENZOIC ACID ESTERS Russian patent published in 1997 - IPC

Abstract RU 2089541 C1

FIELD: chemical and pharmaceutical industries. SUBSTANCE: aminobenzoic acid esters are prepared by reducing respective nitrobenzoic acid esters and isolating the desired product from reaction mixture by using solvents. In order to recover additional amount of the desired product from mother liquor, nitrobenzoic acid esters are once again reduced. The claimed method makes it possible to simplify recovery of additional amount of the desired high-quality product from mother liquor. EFFECT: more efficient preparation method.

Similar patents RU2089541C1

Title Year Author Number
PROCESS FOR PREPARING P-AMINOBENZOIC ACID β- DIETHYLAMINOETHYL ESTER HYDROGHLORIDE 1994
  • Gurskij R.N.
  • Bulat A.D.
  • Jur'Ev V.P.
  • Filippov V.V.
  • Kryshina E.V.
  • Gordeeva O.V.
  • Istratova R.V.
 RU2083557C1
METHOD FOR PRODUCTION OF ESTERS OF AMINOBENZOIC ACIDS 1995
  • Khejfets V.I.
  • Pivonenkova L.P.
  • Ljubimova T.B.
  • Shkuro V.G.
  • Militsin I.A.
  • Zharikov L.K.
  • Zolotukhin A.V.
  • Chekova O.A.
  • Maslennikova T.A.
  • Zheltukhin I.A.
 RU2096403C1
0
  • Altshuler Genrikh Naumovich
  • Savelev Evgenij Aleksandrovich
  • Makarov Yurij Aleksandrovich
 SU492514A1
METHOD OF SYNTHESIS OF PARA-NITROBENZOIC ACID ETHYL ESTER 1995
  • Matveev L.G.
  • Bol'Shakov I.I.
  • Sheverdova N.Ju.
 RU2074169C1
METHOD OF PRODUCING ETHYL ESTER OF N-AMINOBENZOIC ACID 0
  • Mogilevskij M.Yu.
  • Sheshina G.I.
  • Ivanova L.A.
 SU753069A1
METHOD FOR PRODUCING AMINOBENZOIC ACIDS 1995
  • Pivonenkova L.P.
  • Chekova O.A.
  • Ljubimova T.B.
  • Khejfets V.I.
  • Nagorov A.M.
  • Militsin I.A.
  • Shkuro V.G.
  • Zheltukhin I.A.
 RU2110511C1
METHOD OF PRODUCTION OF β-CAROTENE 1995
  • Belova V.M.
  • Belovodskij V.P.
  • Ozorova T.I.
  • Serpukhovitin I.P.
  • Davydovich D.V.
  • Kirsanov A.T.
  • Belov A.V.
 RU2117004C1
METHOD FOR PRODUCTION OF β-PHENYL ETHYL ETHER 1995
  • Khejfets V.I.
  • Pivonenkova L.P.
  • Jakubenok V.V.
  • Maslennikova T.A.
  • Militsin I.A.
  • Shkuro V.G.
  • Nagorov A.M.
 RU2086528C1
METHOD OF OBTAINING ANESTHESINUM 2012
  • Azev Jurij Alekseevich
  • Charushnikov Kirill Aleksandrovich
  • Gibor Aleksej Mikhajlovich
  • Mokrushin Vladimir Stepanovich
  • Bakulev Vasilij Alekseevich
 RU2505526C1
METHOD OF PRODUCING n-(N-GLUCOSYLIDENE)AMINOBENZOIC ACID ESTERS 2012
  • Yashkova Elena V.
  • Nasibulin Alexander A.
  • Klyuev Mikhail V.
 RU2529022C2

RU 2 089 541 C1

Authors

Zharikov L.K.

Karlina L.M.

Khitrov N.V.

Reshetnikov A.V.

Zharov I.F.

Zheltukhin I.A.

Militsin I.A.

Dates

1997-09-10—Published

1995-07-18—Filed

read Similar patents