2,7-dimethyl-2H-pyrano[4,3-b]pyran-5-one

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Names

[ CAS No. ]:
92405-72-6

[ Name ]:
2,7-dimethyl-2H-pyrano[4,3-b]pyran-5-one

[Synonym ]:
2,5-DIMETHYLCYCLOHEXANONE
2,7-dimethyl-2H,5H-pyrano<3,2-c>pyran-5-one

Chemical & Physical Properties

[ Density]:
1.218g/cm3

[ Boiling Point ]:
331.1ºC at 760 mmHg

[ Molecular Formula ]:
C₁₀H₁₀O₃

[ Molecular Weight ]:
178.18500

[ Flash Point ]:
136.583ºC

[ Exact Mass ]:
178.06300

[ PSA ]:
39.44000

[ LogP ]:
1.74230

[ Index of Refraction ]:
1.554

Safety Information

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

triacetate lactone
Crotonaldehyde
Ethanol

DownStream

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

2-chloromercurymethyl-3,4-dihydro-2,7-dimethyl-2H,5H-pyrano{4,3-b}pyran-5-one
4α-(4-Chlorphenyl)-2α-hydroxy-2β,7-dimethyl-3,4-dihydro-2H,5H-pyrano<4,3-b>pyran-5-on
2H,5H-Pyrano[4,3-b]pyran-5-one, 3,4-dihydro-3,4-dihydroxy-2,7-dimethyl-, (2R,3S,4S)-rel- (9CI)
2,2,7-TRIMETHYL-2H-PYRANO[4,3-B]PYRAN-5-ONE
4-[2-(4-carboxy-3-nitrophenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-nitrobenzoic acid
2,2,7-trimethyl-3,4-dihydropyrano[3,2-c]pyran-5-one
4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
(4-Methyl-tetrahydro-furan-2-yl)-methanol
1-(4-Chloro-3-fluorophenyl)cyclopropanecarbaldehyde
N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
2-(3-Bromo-5-chlorophenyl)pyrrolidine
4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
tert-Butyl-DL-alanine