1,4,7(8,9)-TRITIA 2,9(10,11)-DIAZACYCLOALKANE 1,1-DIOXIDES AND METHOD FOR THEIR PREPARATION Russian patent published in 2022 - IPC C07D285/00 

Abstract RU 2773315 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing 1,4,7(8,9)-trithia-2,9(10,11)-diazacycloalkane 1,1-dioxides of general formula (1), which consists in the fact that sulfamide is subjected to interaction with paraform and α,ω-dithiols selected from the range of 1,2-ethane-, or 1,3-propane-, or 1,4-butanedithiol, in the presence of Sm(NO3)3⋅6H2O as a catalyst, taken in the molar ratio of sulfamide: paraform: α,ω-dithiol:[Sm(NO3)3⋅6H2O]=10:(15-25):10:(1-3), at a temperature of 60-80°C for 6.5-7.5 h in a mixture of solvents chloroform:ethanol=1:1. The method makes it possible to prepare compounds of formula (1) with a yield of 31-70%.

EFFECT: obtaining 1,4,7(8,9)-trithia-2,9(10,11)-diazacycloalkane 1,1-dioxides of the general formula (1).

1 cl, 1 tbl, 1 ex

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RU 2 773 315 C2

Authors

Dzhemilev Usein Memetovich

Ibragimov Askhat Gabdrakhmanovich

Khajrullina Regina Radievna

Makhmudiyarova Natalya Nailevna

Dates

2022-06-01Published

2020-10-26Filed