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2 518 490

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IPC

C07C275/14(2006-01-01)

C07C335/10(2006-01-01)

(21) (22)

Application

2012141439/04, 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 GabdrakhmanovichKhajrullina Regina RadievnaGenijatova Al'Fija Ravzatovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Neftekhimii I Kataliza Ran

METHOD OF OBTAINING N, N'-BIS[DIMETHYLAMINOMETHYL](THIO)UREA Russian patent published in 2014 - IPC C07C275/14 C07C335/10

Abstract RU 2518490 C2

FIELD: chemistry.

SUBSTANCE: invention relates to improved method of obtaining N, N'-bis[dimethylaminomethyl](thio)urea, which can be used as antimicrobial additives to lubricating-cooling liquids. Method consists in interaction of N,N,N',N'-tetramethylmethylenediamine (bisamine) with (thio)urea in presence of catalyst FeCl₃·6H₂O with molar ratio (20-25):10 : (0,3-0,7). Process is carried out at room temperature (20°C) and atmospheric pressure in ethyl alcohol for 0.5-1 h.

EFFECT: method makes it possible to obtain products with high output and simplify process due to simplification of dosing of initial compounds and elimination of initial volatile compounds.

1 tbl, 1 ex

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RU 2 518 490 C2

Authors

Dzhemilev Usein Memetovich

Ibragimov Askhat Gabdrakhmanovich

Khajrullina Regina Radievna

Genijatova Al'Fija Ravzatovna

Dates

2014-06-10—Published

2012-09-27—Filed