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309680

Sigma-Aldrich

5,6-Dihydro-4-hydroxy-6-methyl-2H-pyran-2-one

Synonym(s):

(±)-Gerberin aglycone

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About This Item

Empirical Formula (Hill Notation):
C6H8O3
CAS Number:
33177-29-6
Molecular Weight:
128.13
MDL number:
MFCD00012356
UNSPSC Code:
12352100
PubChem Substance ID:
24858747
NACRES:
NA.22

form

powder

mp

126-128 °C (lit.)

storage temp.

2-8°C

SMILES string

CC1CC(O)=CC(=O)O1

InChI

1S/C6H8O3/c1-4-2-5(7)3-6(8)9-4/h3-4,7H,2H2,1H3

InChI key

PXNRZJNTMDCHFR-UHFFFAOYSA-N

Application

5,6-Dihydro-4-hydroxy-6-methyl-2H-pyran-2-one was used in the synthesis of spiro-γ/δ-dilactone as a mixture of diastereomers.
Reactant involved in:
  • Synthesis of spiroheterocycles with fused heterosystems
  • Preparation of insecticidal heterolignans
  • Cyclization of aminoanilino lactones on diazotization

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

309680-250MG:
309680-1G:
309680-VAR:
309680-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hang W.
Tetrahedron Letters, 41(15), 2523-2527 (2000)

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