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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide

2,2-dimethyl-5-hydroxy-4-keto-benzopyran synthesis

8synthesis methods
2-Buten-1-one, 1-(2,6-dihydroxyphenyl)-3-methyl-

130715-58-1
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2,2-dimethyl-5-hydroxy-4-keto-benzopyran

4236-32-2
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-

Yield:4236-32-2 85%

Reaction Conditions:

with acid

References:

Vijayalakshmi;Subramanian;Rajendra [Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry,1990,vol. 29,# 7,p. 661 - 663]

699-83-2 Synthesis
2',6'-Dihydroxyacetophenone

699-83-2
469 suppliers
$6.00/5g

Acetone

67-64-1
6 suppliers
$21.60/10ml

2,2-dimethyl-5-hydroxy-4-keto-benzopyran

4236-32-2
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References
2H-1-Benzopyran-4,5(3H,6H)-dione, 7,8-dihydro-2,2-dimethyl-

34818-31-0
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2,2-dimethyl-5-hydroxy-4-keto-benzopyran

4236-32-2
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References
5,7-dihydroxy-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one

883-09-0
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2,2-dimethyl-5-hydroxy-4-keto-benzopyran

4236-32-2
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References
Carbamothioic acid, dimethyl-, O-(3,4-dihydro-5-hydroxy-2,2-dimethyl-4-oxo-2H-1-benzopyran-7-yl) ester (9CI)

143260-15-5
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2,2-dimethyl-5-hydroxy-4-keto-benzopyran

4236-32-2
18 suppliers
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References