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2 146 669

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C1

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IPC

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Application

97122069/04, 1997-12-30

(24)

Start date

1997-12-30

(22)

Actual filing date

1997-12-30

(45)

Published

2000-03-20

(72)

Inventor

Alimov N.I.Kuchinskij E.V.Ivanov K.N.Shantrokha A.V.Demidov O.M.Kozyreva A.V.

(73)

Holder

Vojskovaja Chast'

METHOD OF SYNTHESIS OF DIVINYLSULFIDE Russian patent published in 2000 - IPC

Abstract RU 2146669 C1

FIELD: organic chemistry and technology. SUBSTANCE: divinylsulfide is synthesized by dehydrochlorination reaction of β,β′-dichlorosulfide in 50% potassium hydroxide an aqueous solution and dimethylsulfoxide in the presence of catalyst of interphase transfer - N,N,N-tributyl-N-benzyl ammonium and cocatalyst - benzyl alcohol taken at mole ratio β,β′-dichlorosulfide: dimethylsulfoxide: alkali: catalyst = 1 : 0.4 : 2.3 : 0.01 : 0.1 at 135-140 C. EFFECT: increased yield of end compound. 7 ex

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RU 2 146 669 C1

Authors

Alimov N.I.

Kuchinskij E.V.

Ivanov K.N.

Shantrokha A.V.

Demidov O.M.

Kozyreva A.V.

Dates

2000-03-20—Published

1997-12-30—Filed

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