Synthesis and Reactions of 1‐Amino‐5‐morpholin‐4‐yl‐6,7,8,9‐tetrahydrothieno[2,3‐c]isoquinoline | Zendy

Zaki Remon M. | Zendy; Radwan Shaban M. | Zendy; ElDean Adel M. Kamal | Zendy

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Synthesis and Reactions of 1‐Amino‐5‐morpholin‐4‐yl‐6,7,8,9‐tetrahydrothieno[2,3‐c]isoquinoline

Author(s) -

Zaki Remon M.,

Radwan Shaban M.,

ElDean Adel M. Kamal

Publication year - 2011

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.201190019

Subject(s) - chemistry , hexamethylenetetramine , isoquinoline , malononitrile , carbohydrazide , acetic acid , ethanol , hydrolysis , toluene , organic chemistry , derivative (finance) , morpholine , medicinal chemistry , catalysis , financial economics , economics

The pyrazolone derivative 4 was synthesized by reaction of carbohydrazide 2 with ethyl benzoylacetate in ethanol and p‐toluene sulphonic acid followed by cyclization upon heating in acetic acid. Chloroacylation of amino ester and amino benzoyl compounds 1 , 19 gave the chloro acetylamino derivatives 5 and 20 respectively which both of them react with different amines to afford compounds 6 , 23a‐d . Hydrolysis and decarboxlation of compound 1 yielded the aminothienotetrahydroisoquinoline 8 which was used as versatile material for synthesizing other heterocyclic compounds 9‐18 . Compound 20 react with hexamethylenetetramine and malononitrile yielded thediazepino and pyrrolo derivatives 21 , 22 respectively.

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