(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide synthesis
- Product Name:(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide
- CAS Number:147200-03-1
- Molecular formula:C10H14N2O5S3
- Molecular Weight:338.42
![(S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one](/CAS/GIF/147086-79-1.gif)
147086-79-1
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147200-03-1
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Yield:-
Steps:
Multi-step reaction with 5 steps
1.1: thionyl chloride; sulfuryl dichloride / 10 h / 28 °C / Inert atmosphere
2.1: ammonia / methanol; acetone / -10 °C / Inert atmosphere
3.1: sodium tungstate (VI) dihydrate / methanol; water / 47 h / 10 - 50 °C / Inert atmosphere
4.1: sodium tetrahydroborate / water; tetrahydrofuran / 2 h / 15 °C / Inert atmosphere
4.2: 2 h / 40 °C
5.1: methanesulfonic acid / water; acetonitrile / 19 h / 10 - 87 °C / Inert atmosphere; Reflux
5.2: 4 h / 7 - 40 °C / pH 7.3
References:
ZACH SYSTEM S.P.A.;VOLPICELLI, Raffaella;NARDI, Antonio;ANDRETTO, Mauro;MUNARI, Ilaria;BRESCELLO, Roberto;SMANIOTTO, Anna;COTARCA, Livius;VERZINI, Massimo WO2014/5943, 2014, A1
![4H-Thieno[2,3-b]thiopyran-2-sulfonyl chloride, 5,6-dihydro-6-methyl-4-oxo-, (6S)-](/CAS/20200611/GIF/1083006-59-0.gif)
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147200-03-1
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![(6S)-4-Oxo-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide](/CAS/20200611/GIF/1383784-43-7.gif)
1383784-43-7
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147200-03-1
161 suppliers
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147128-79-8
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![4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-dihydro-6-methyl-4-oxo-, 7,7-dioxide, (S)- (9CI)](/CAS/20200611/GIF/154716-03-7.gif)
154716-03-7
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147200-03-1
161 suppliers
$18.00/100mg
147128-79-8
6 suppliers
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