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5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE

5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE Structure
CAS No.
33177-29-6
Chemical Name:
5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE
Synonyms
(±)-Gerberin aglycone;4-hydroxy-2-methyl-2,3-dihydropyran-6-one;4-Hydroxy-5,6-dihydro-6-methyl-2H-pyran-2-one;5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE;4-Hydroxy-6-methyl-5,6-dihydro-2h-pyran-2-one;2H-Pyran-2-one, 5,6-dihydro-4-hydroxy-6-methyl-;5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE ISO 9001:2015 REACH
CBNumber:
CB5186954
Molecular Formula:
C6H8O3
Molecular Weight:
128.13
MOL File:
33177-29-6.mol
Modify Date:
2023/5/29 8:28:42

5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE Properties

Melting point 126-128 °C (lit.)
Boiling point 280.3±40.0 °C(Predicted)
Density 1.252±0.06 g/cm3(Predicted)
storage temp. 2-8°C
pka 4.50±1.00(Predicted)

SAFETY

Risk and Safety Statements

WGK Germany  3

5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE Chemical Properties,Uses,Production

Uses

5,6-Dihydro-4-hydroxy-6-methyl-2H-pyran-2-one can be used in the synthesis of spiroheterocycles with fused heterosystems; preparation of insecticidal heterolignans and cyclization of aminoanilino lactones on diazotization.

Synthesis Reference(s)

Chemistry Letters, 4, p. 161, 1975
Journal of Heterocyclic Chemistry, 15, p. 1153, 1978 DOI: 10.1002/jhet.5570150717

5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE (±)-Gerberin aglycone 4-Hydroxy-5,6-dihydro-6-methyl-2H-pyran-2-one 4-hydroxy-2-methyl-2,3-dihydropyran-6-one 2H-Pyran-2-one, 5,6-dihydro-4-hydroxy-6-methyl- 5,6-DIHYDRO-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE ISO 9001:2015 REACH 4-Hydroxy-6-methyl-5,6-dihydro-2h-pyran-2-one 33177-29-6 Heterocyclic Building Blocks Pyrans Building Blocks API intermediates Building Blocks Heterocyclic Building Blocks Pyrans Building Blocks Chemical Synthesis Heterocyclic Building Blocks