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2 065 858

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IPC

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Application

95108896/04, 1995-06-13

(22)

Actual filing date

1995-06-13

(45)

Published

1996-08-27

(72)

Inventor

Ovsjannikov L.F.Porubleva T.P.

(73)

Holder

Individual'Noe Chastnoe Predprijatie

METHOD FOR PRODUCTION OF MONOMETHYL HOMOLOGS OF CYCLIC SULFONE BUTADIENE-1,3 (SULFOLENE-3) Russian patent published in 1996 - IPC

Abstract RU 2065858 C1

FIELD: organic chemistry. SUBSTANCE: desired product methyl substituted sulfolene-3 has essential formula C5H8O25, its melting point is 62-63.2 C. Isoprene and pentadiene-1,3 being content of hydrocarbon C5 fraction of separation of gases of pyrolysis of benzine) is used as reagent 1. Liquid dioxide of sulfur is used as reagent 2. Reaction is carried out at 95-105 C under pressure 16-17 atm within 2-4. EFFECT: improves efficiency of the method. 5 cl

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RU 2 065 858 C1

Authors

Ovsjannikov L.F.

Porubleva T.P.

Dates

1996-08-27—Published

1995-06-13—Filed

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