Reactions of 4-Methoxy-3-quinolinyl and 1,4-Dihydro-4-oxo-3-quino-linyl Sulfides Aiming at the Synthesis of 4-Chloro-3-Quinolinyl Sulfides
作者:Andrzej Maślankiewicz、Stanislaw Boryczka
DOI:10.1002/jhet.5570300627
日期:1993.12
,4′-diquinolinyl sulfides 3 or 1,4-dihydro-4-oxo-3-(alkylthio)quinolines 4 by acid catalysed hydrolysis of 4-methoxy-3′-alkylthio-3,4′-diquinolinyl sulfides 1 or 4-methoxy-3-(alkylthio)-quinolines 2 is described. The reactions of 4-methoxy-3′-alkylthio-3,4′-diquinolinyl sulfides 1 or 1,4-dihydro-4-oxo-3′-alkylthio-3,4′-diquinolinyl sulfides 3 with phosphoryl chloride in DMF afforded 4-chloro-3′-alkylthio-3
1,4-二氢-4-氧代-3'-烷硫基-3,4'- diquinolinyl硫化物的制备3或1,4-二氢-4-氧代-3-(烷硫基)喹啉类4通过4-酸催化水解描述了-甲氧基-3'-烷硫基-3,4'-二喹啉基硫化物1或4-甲氧基-3-(烷硫基)-喹啉2。在DMF中,4-甲氧基-3'-烷硫基3,4'-二喹啉基硫化物1或1,4-二氢-4-氧代-3'-烷硫基3,4'-二喹啉基硫化物3与磷酰氯在DMF中反应4-氯-3'-烷硫基-3,4'-二喹啉基硫化物5。用沸腾的磷酰氯体系处理标题化合物1或3:生成4-氯-3-(烷硫基)喹啉6和硫代喹啉,但那些烷氧基或氧代喹啉2或4导致生成4-氯-3-(烷硫基)喹啉6。还研究了N-甲基-4(1 H)-喹啉酮3n和4n与针对4-氯-3-(烷硫基)喹啉6的磷酰氯的反应。