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2 726 617

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(51)

IPC

C07D327/00(2006-01-01)

(21) (22)

Application

2019142059, 2019-12-16

(24)

Start date

2019-12-16

(22)

Actual filing date

2019-12-16

(45)

Published

2020-07-15

(72)

Inventor

Dzhemilev Usein MemetovichIbragimov Askhat GabdrakhmanovichMakhmudiyarova Nataliya NailevnaShangaraev Kamil Railevich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Nauchnoe Uchrezhdenie Ufimskij Federalnyj Issledovatelskij Tsentr Rossijskoj Akademii Nauk

METHOD OF PRODUCING 3,3-DISUBSTITUTED 1,2,4,5,7-TETRAOXATHIOCANES Russian patent published in 2020 - IPC C07D327/00

Abstract RU 2726617 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing 3,3-disubstituted 1,2,4,5,7-tetraoxathiocanes, which involves reacting 3,3-disubstituted 1,2,4,5,7-pentaoxacanes (3-hexyl-3-methyl-1,2,4,5,7-pentaoxacane or 3-butyl-3-ethyl-1,2,4,5,7-pentaoxacane or 3,3-dibutyl-1,2,4,5,7-pentaoxacane or 3-(adamantyl-2-yl)-1,2,4,5,7-pentaoxacane) with hydrogen sulphide in the presence of Sm(NO₃)₃·6H₂O catalyst at room temperature and atmospheric pressure for 4–6 hours.

EFFECT: output of 3,3-disubstituted 1,2,4,5,7-tetraoxathiocanes (1) is 76–89 %.

1 cl, 1 tbl, 1 ex

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RU 2 726 617 C1

Authors

Dzhemilev Usein Memetovich

Ibragimov Askhat Gabdrakhmanovich

Makhmudiyarova Nataliya Nailevna

Shangaraev Kamil Railevich

Dates

2020-07-15—Published

2019-12-16—Filed