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2 565 788

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IPC

C07D285/38(2006-01-01)

(21) (22)

Application

2011139925/04, 2011-09-30

(24)

Start date

2011-09-30

(22)

Actual filing date

2011-09-30

(45)

Published

2015-10-20

(72)

Inventor

Dzhemilev Usein MemetovichKhajrullina Regina RadievnaAkmanov Bajras FaritovichIbragimov Askhat GabdrakhmanovichKunakova Rajkhana ValiullovnaAbdullin Marat Faritovich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Neftekhimii I Kataliza Ran

METHOD OF PRODUCING N-(1,5,3-DITHIAZOCYNAN-3-YL)AMIDES Russian patent published in 2015 - IPC C07D285/38

Abstract RU 2565788 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing N-(1,5,3-dithiazocynan-3-yl)amides of general formula (1):

where R=p-C₅H₄N (a), (CH₃)₃CO (b), o-CH₃OC₆H₄ (c) characterised by that hydrazides of general formula RC(O)NHNH₂ react with 1,3-propanedithiol, which is premixed at 20°C with aqueous formaldehyde solution, in the presence of a copper chloride crystalline hydrate CuCl₂·2H₂O catalyst in molar ratio 1,3-propanedithiol: CH₂O:RC(O)NHNH₂: CuCl₂·2H₂O=10:20:10:(0.3-0.7) at 75-85°C and atmospheric pressure for 44-52 hours in a chloroform-ethanol mixture. The output of N-(1,5,3-dithiazocynan-3-yl)amides is 38-50%. Said compounds can be used as biologically active compounds, selective sorbents and extractants of noble and precious metals.

EFFECT: high output.

1 tbl, 1 ex

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RU 2 565 788 C2

Authors

Dzhemilev Usein Memetovich

Khajrullina Regina Radievna

Akmanov Bajras Faritovich

Ibragimov Askhat Gabdrakhmanovich

Kunakova Rajkhana Valiullovna

Abdullin Marat Faritovich

Dates

2015-10-20—Published

2011-09-30—Filed