Oxidation and bimolecular condensation reactions of 2-alkyliminocyclopentanedithiocarboxylic acids, 2-oxocyclopentanedithiocarboxylic acids, and 3-methyl-5-oxo-1-phenyl-Δ<sup>2</sup>-pyrazoline-4-dithiocarboxylic acid
作者:Tatsuo Takeshima、Naoaki Fukada、Tetsuko Ishii、Motomu Muraoka
DOI:10.1039/p19760001706
日期:——
The 2-oxocyclopentanedithiocarboxylic acids (9) and (10) and 3-methyl-5-oxo-1-phenyl-Δ2-pyrazoline-4-dithiocarboxylic acid (13), on oxidation, gave the 3,5-bis-(2-oxocyclopentylidene)-1,2,4-trithioles (11) and (12) and 3,5-bis-(3-methyl-5-oxo-1-phenyl-Δ2-pyrazolin-4-ylidene)-1,2,4-trithiole (14), respectively. The 2-alkyliminocyclopentanedithiocarboxylic acids (1)–(4), under similar conditions, underwent
2- oxocyclopentanedithiocarboxylic酸(9)和(10)和3-甲基-5-氧代-1-苯基- Δ 2 -吡唑啉-4-二硫代羧酸(13),上氧化,得到3,5-二- ( 2- oxocyclopentylidene)-1,2,4- trithioles(11)和(12)和3,5-二- (3-甲基-5-氧代-1-苯基-Δ 2 -pyrazolin -4-亚基)-1-分别为,2,4-三硫醇(14)。2-烷基亚氨基环戊烷二硫代羧酸(1)-(4)在相似的条件下进行了正常氧化,生成双-(2-烷基亚氨基环戊基硫代羰基羰基)二硫化物(5)-(8)。用酸(9)得到6,7-二氢-2-(2-氧代环戊叉基)环戊[ d ] [1,3]二硫代-4(5 H当单独用二甲基甲酰胺处理时,)-硫酮(15),而当用二甲基甲酰胺和酰氯处理时,则是2,4-双-(2-氧代环戊叉基)-1,3-二硫丹(16)。2