Synthesis of 3a,4,6a-triphenylimidazothiazoledione and 2-thioxo-3a,6,6a-triphenylimidazooxazolone in the reaction of 5-hydroxy-1,4,5-triphenyl-1H-imidazol-2(5H)-one with KSCN and AcOH

被引：0

作者：

Baranov, V. V. ^{[1
]}

Antonova, M. M. ^{[2
]}

Aksenova, S. A. ^{[3
,4
]}

Kravchenko, A. N. ^{[1
]}

机构：

[1] Russian Acad Sci, ND Zelinsky Inst Organ Chem, 47 Leninsky Prosp, Moscow 119991, Russia

[2] State Res Ctr Russian Federat, State Res Inst Organ Chem & Technol, 23 Shosse Entuziastov, Moscow 111024, Russia

[3] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Build 1,28 Ul Vavilova, Moscow 119334, Russia

[4] Natl Res Univ, Moscow Inst Phys & Technol, 9 Institutskii Per, Moscow 141700, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2024年 / 73卷 / 09期

关键词：

condensation; biheterocycles; imidazothiazolediones; thioxoimidazooxazolones; CONDENSATION;

D O I：

10.1007/s11172-024-4391-7

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The study of the reaction of 5-hydroxy-1,4,5-triphenyl-1H-imidazol-2(5H)-one with KSCN and AcOH showed that it leads to the formation of 3a,4,6a-triphenyltetrahydro-2H-imidazo[4,5-d]thiazole-2,5(3H)-dione (1a) and 2-thioxo-3a,6,6a-triphenyltetrahydro-2H-imidazo[4,5-d]oxazol-5(3H)-one (2b) with the predominant formation of the former one. The structures of compounds 1a and 2b were confirmed by X-ray diffraction analysis on the examples of solvate 1a center dot AcOH and monohydrate 2b center dot H2O obtained by crystallization from AcOH and a mixture of EtOH-H2O (1: 10), respectively.

引用

页码：2772 / 2777

页数：6

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