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7935601 
Journal Article 
Synthesis of 4-amino-5,6,7,8-tetrahydrothieno[2,3-b]quinolin-5-ol derivatives 
Song, YH; Seo, J 
2007 
Yes 
Journal of Heterocyclic Chemistry
ISSN: 0022-152X 
44 
6 
1439-1443 
English 
WOS:000250794200031 
(Chemical Equation Presented) This paper describes the synthesis of 4-amino-5,6,7,8-tetrahydrothieno[2,3-b]quinolin-5-ol derivatives (3a-h) and 4-amino-5,6,7,8-tetrahydrothieno[2,3-b]quinoline (8a) in good yield by three-step procedures starting from 2-aminothiophene-3-carbonitrile and 5-substituted cyclohexane-1,3-dione.