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CONVENIENT SYNTHESIS OF NEW 7-METHYLTETRAZOLO[1,5-a]QUINOLINE-4-CARBALDEHYDE DERIVATIVES

机译:新型7-甲基间唑[1,5-a]喹啉-4碳酰衍生物的简便合成

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摘要

7-Methyltetrazolo[1,5- a ]quinoline-4-carbaldehyde ( 1 ) was reacted with thiosemicarbazide to give the appropriate thiosemicarbazone ( 2 ). Compound ( 2 ) was reacted with different α -halocarbonyl compounds such as phenacyl bromide, hydrazonoyl chlorides and α -chloroacetic acid to afford thiazoles ( 4 ), aryldiazenylthiazoles ( 6 ), and thiazolidin-4-one ( 8 ), respectively. A series of 7-methyltetrazolo[1,5- a ]quinoline derivatives, such as 2-imino-2 H -chromene ( 11 ) , arylacrylohydrazides ( 13 ), ( 15 ) and ( 17 ) and (heteroarylethylidene) acrylohydrazides ( 19 ), ( 21 ) and ( 23 ) has been synthesized. The structures of the newly synthesized compounds have been confirmed by spectral and elemental analyses.
机译:使7-甲基四唑并[1,5-a]喹啉-4-甲醛(1)与硫代氨基脲反应,得到合适的硫代氨基脲(2)。使化合物(2)与不同的α-卤代羰基化合物例如苯甲酰溴,酰肼基氯和α-氯乙酸反应,分别得到噻唑(4),芳基二氮烯基噻唑(6)和噻唑烷丁-4-酮(8)。一系列7-甲基四唑并[1,5-a]喹啉衍生物,例如2-亚氨基2 H-色烯(11),芳基丙烯酰肼(13),(15)和(17)和(杂芳基亚乙基)丙烯酰肼(19) ,(21)和(23)已被合成。新合成的化合物的结构已通过光谱和元素分析得到证实。

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