6,7-Difluoro-2,3-dihydro-4H-1-benzothiopyran-4-one synthesis

2synthesis methods

Product Name:6,7-Difluoro-2,3-dihydro-4H-1-benzothiopyran-4-one
CAS Number:1097802-78-2
Molecular formula:C9H6F2OS
Molecular Weight:200.21

3-[(3,4-difluorophenyl)sulfanyl]propanoic acid

863667-96-3
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6,7-Difluoro-2,3-dihydro-4H-1-benzothiopyran-4-one

1097802-78-2
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Yield:1097802-78-2 66%

Reaction Conditions:

with sulfuric acid at 5;Friedel Crafts intramolecular acylation;

References:

Guo, Dexiang;Liu, Yajing;Li, Ting;Wang, Nan;Zhai, Xin;Hu, Chun;Gong, Ping [Science China Chemistry,2012,vol. 55,# 3,p. 347 - 351] Location in patent:experimental part

60811-24-7 Synthesis

60811-24-7
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1097802-78-2
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References

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