5,6,7,8-TETRAHYDRO[1]BENZOTHIENO[2,3-D][1,2,3]TRIAZIN-4(3H)-ONE synthesis
- Product Name:5,6,7,8-TETRAHYDRO[1]BENZOTHIENO[2,3-D][1,2,3]TRIAZIN-4(3H)-ONE
- CAS Number:38359-86-3
- Molecular formula:C9H9N3OS
- Molecular Weight:207.25
4815-28-5
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Yield:38359-86-3 52%
Reaction Conditions:
Stage #1: 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamidewith hydrogenchloride in lithium hydroxide monohydrate;glacial acetic acid at 5 - 20;
Stage #2: with NaNO2 in lithium hydroxide monohydrate;glacial acetic acid at 0 - 5;
References:
Saravanan, Janardhanan;Mohan, Shamanna;Roy, Jay Jyoti [European Journal of Medicinal Chemistry,2010,vol. 45,# 9,p. 4365 - 4369] Location in patent:experimental part
108-94-1
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