ChemicalBook CAS DataBase List 3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one

3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one synthesis

8synthesis methods

Product Name:3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one
CAS Number:40106-31-8
Molecular formula:C11H12N2OS
Molecular Weight:220.29

4H-Cyclohepta[b]thiophene-3-carboxylic acid, 2-amino-5,6,7,8-tetrahydro-

350997-73-8
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60100-09-6
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3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one

40106-31-8
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Yield:40106-31-8 81%

Reaction Conditions:

with acetic acid at 130; for 0.166667 h;Microwave irradiation;

Steps:

General procedure: A mixture of 1a,b ( 1 mmol) and formamide( 5-6 mmol) in ( 1 mmol) acetic acid, was irradiationin the microwave oven for 10 min. at (300 W) 130 °C.The reaction mixture was cooled and poured intoiced-cold water, filtered, washed and recrystallized from ethanol.

References:

Al-Issa [Oriental Journal of Chemistry,2014,vol. 30,# 2,p. 469 - 477]

40106-12-5 Synthesis