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2 518 482

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IPC

C07D417/12(2006-01-01)

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Application

2012141442/04, 2012-09-27

(24)

Start date

2012-09-27

(22)

Actual filing date

2012-09-27

(45)

Published

2014-06-10

(72)

Inventor

Dzhemilev Usein MemetovichIbragimov Askhat GabdrakhmanovichRakhimova Elena BorisovnaEfremova Ekaterina Aleksandrovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Neftekhimii I Kataliza Rossijskoj Akademii Nauk

METHOD OF OBTAINING 3, 3'-[OXA(THIA)ALKANE-alpha, omega-DIYL]-BIS-1,5,3-DITHIAZEPINANES Russian patent published in 2014 - IPC C07D417/12

Abstract RU 2518482 C2

FIELD: chemistry.

SUBSTANCE: invention relates to method of obtaining 3,3'-[oxa(thia)alkane-α,ω-diyl]-bis-1,5,3-dithiazepinanes of general formula (1) R=CH₂CH₂OCH₂CH₂, (CH₂CH₂O)₂CH₂CH₂, (CH₂CH₂S)₂ , which consists in the following: oxa(thia)alkane-α,ω-diamine (3-oxapentane-1,5-diamine, 3,6-dioxaoctane-1,8-diamine, 3,4-dithiahexane-1,6-diamine) undergoes interaction with 1-oxa-3,6-dithiacycloheptane in ethanol-chloroform system of solvents in argon medium in presence of catalyst SmCl₃·6H₂O with molar ratio oxa(thia)alkane-α,ω-diamine: 1-oxa-3,6-dithiacycloheptane: SmCl₃·6H₂O = 10 : 20 : (0.3-0.7) at room (~20°C) temperature for 2.5-3.5 h.

EFFECT: elaborated is method of obtaining novel compounds which can be applied as selective sorbents and extractants of precious metals, preparations for protection of leather, fur, fabrics against biodamage, biologically active substances with respect to various microorganisms and sulfate-reducing bacteria.

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RU 2 518 482 C2

Authors

Dzhemilev Usein Memetovich

Ibragimov Askhat Gabdrakhmanovich

Rakhimova Elena Borisovna

Efremova Ekaterina Aleksandrovna

Dates

2014-06-10—Published

2012-09-27—Filed