Patenton — panteon of patents

(19)

RU

(11)

2 137 544

(13)

C1

(51)

IPC

(21) (22)

Application

97114058/04, 1997-08-01

(24)

Start date

1997-08-01

(22)

Actual filing date

1997-08-01

(45)

Published

1999-09-20

(72)

Inventor

Vasil'Tsov A.M.Mikhaleva A.I.Trofimov B.A.

(73)

Holder

Irkutskij Institut Khimii So Ran

METHOD OF PREPARING SILYL-OTHO-VANADATES Russian patent published in 1999 - IPC

Abstract RU 2137544 C1

FIELD: isomerization catalysts. SUBSTANCE: invention relates to silyl-otho- vanadates, industrial catalyst for isomerization of dehydrolinalool into citral (natural terpenoid useful in perfumery, cosmetics, and vitamin A and E production). Silyl-otho-vanadates are prepared by a method involving interaction of organosilicon reagent with vanadium compound in presence of solvent, in which method said organosilicon reagent is organic chlorosilane and said vanadium compound is sodium ortho- vanadate. Reaction is carried out at 20-50 C at molar ratio 1:1.05 in anhydrous hydrocarbon solvent in presence of crown-ester interphase catalysts. EFFECT: simplified procedure. 2 cl, 1 tbl, 14 ex

Similar patents RU2137544C1

Title Year Author Number
METHOD OF PREPARING CITRAL 1995
  • Trofimov B.A.
  • Vasil'Tsov A.M.
  • Mikhaleva A.I.
  • Sobenina L.N.
  • Stankevich V.K.
 RU2091364C1
METHOD FOR PRODUCTION OF CIS-1,2-DI(ALKYL SELENO) ETHENES 1991
  • Amosova S.V.
  • Potapov V.A.
  • Khangurov A.V.
  • Modonov V.B.
 SU1833615A3
METHOD FOR PRODUCTION OF 6-METHYL-5-HEPTENE-2-ON 1995
  • Trofimov B.A.
  • Sobenina L.N.
  • Mikhaleva A.I.
  • Vasil'Tsov A.M.
  • Petrova O.V.
 RU2078075C1
METHOD OF OBTAINING CITRAL 0
  • Erman Mark Beniaminovich
  • Kron Aleksandr Aleksandrovich
  • Burdin Evgenij Alekseevich
  • Gulyj Sergej Evgenevich
  • Aulchenko Igor Sergeevich
  • Khejfits Lev Abramovich
 SU662542A1
METHOD OF PREPARING N-(1-PROPENYL)ACETAMIDE 1998
  • Ershova V.A.
 RU2132326C1
METHOD FOR PRODUCTION OF 1-(CHLORMETHYL)-SYLATRAN 1992
  • Baryshok V.P.
  • Kuznetsova G.A.
  • Voronkov M.G.
 RU2043357C1
PROCESS FOR PREPARING 2,2,-BIS-(3,5-DIBROMO-4- HYDROBYPHENYL) PROPANE 1992
  • Nedolja N.A.
  • Lazarev I.M.
 RU2034823C1
METHOD OF PITCH PRODUCTION 2000
  • Vershal' V.V.
  • Stankevich V.K.
 RU2183653C2
DERIVATIVES OF 1-METHYL-5-CHLOROPYRAZOLE AND METHOD OF THEIR SYNTHESIS 1999
  • Levkovskaja G.G.
  • Bozhenkov G.V.
  • Mirskova A.N.
  • Tantsyrev A.P.
 RU2186772C2
METHOD FOR PRODUCTION OF 1-(CHLOROMETHYL)SILATRANE 1992
  • Baryshok V.P.
  • Voronkov M.G.
  • Zhun' V.I.
  • Kurbatov E.V.
  • Ustinova O.L.
  • Chernyshev E.A.
 RU2096412C1

RU 2 137 544 C1

Authors

Vasil'Tsov A.M.

Mikhaleva A.I.

Trofimov B.A.

Dates

1999-09-20—Published

1997-08-01—Filed

read Similar patents