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2 574 073

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IPC

C07D285/36(2006-01-01)

C07D285/38(2006-01-01)

(21) (22)

Application

2014125369/04, 2014-06-23

(24)

Start date

2014-06-23

(22)

Actual filing date

2014-06-23

(45)

Published

2016-02-10

(72)

Inventor

Dzhemilev Usein MemetovichIbragimov Askhat GabdrakhmanovichKhajrullina Regina RadievnaGaripova Ajgul' Faritovna

(73)

Holder

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

METHOD FOR OBTAINING 3- AND 4-(1,5,3-DITHIAZACYCLOALKAN-3-YL)BENZAMIDES Russian patent published in 2016 - IPC C07D285/36 C07D285/38

Abstract RU 2574073 C2

FIELD: chemistry.

SUBSTANCE: invention relates to method for obtaining 3- and 4-(1,5,3-dithiazacycloalkan-3-yl)benzamides, of general formula (I), n = 1.2, consisting in interaction of N¹,N¹,N⁶,N⁶-tetramethyl-2,5-dithiahexane-1,6-diamine (N¹,N¹,N⁷,N⁷-tetramethyl-2,6-dithiaheptane-1,7-diamine) with 3(4)-aminobenzamides of general formula 3(4)-H₂N-C₆H₄-C(O)NH₂ in presence of catalyst of samarium chloride crystalline hydrate SmCl₃•6H₂O with molar ratio 3(4)-aminobenzamide: N¹,N¹,N⁶,N⁶-tetramethyl-2,5-dithiahexane-1,6-diamine (N¹,N¹,N⁷,N⁷-tetramethyl-2,6-dithiaheptane-1,7-diamine):SmCl₃•6H₂O = 10:10:(0.5-1.5) at temperature 75-80°C and atmospheric pressure in mixture of solvents ethyl alcohol-chloroform for 6-10 h.

EFFECT: obtaining compounds with high selectivity and output.

1 tbl, 1 ex

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RU 2 574 073 C2

Authors

Dzhemilev Usein Memetovich

Ibragimov Askhat Gabdrakhmanovich

Khajrullina Regina Radievna

Garipova Ajgul' Faritovna

Dates

2016-02-10—Published

2014-06-23—Filed