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77087-34-4

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77087-34-4 Structure

77087-34-4 Structure
IdentificationBack Directory
[Name]

(4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-cyclopent-2-en-1-one
[CAS]

77087-34-4
[Synonyms]

S-2-methyl-3-(2-propynyl)-4-oxo-cyclopent-2-enol
(4S)-4-hydroxy-3-methyl-2-propargyl-cyclopent-2-en-1-one
(S) 4-hydroxy-3-methyl-2-prop-2-ynylcyclopent-2-en-1-one
(4S)-Hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentene-1-one
(4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-1-cyclopent-2-enone
(4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-cyclopent-2-en-1-one
2-Cyclopenten-1-one, 4-hydroxy-3-methyl-2-(2-propyn-1-yl)-, (4S)-
[Molecular Formula]

C9H10O2
[MOL File]

77087-34-4.mol
[Molecular Weight]

150.17
Chemical PropertiesBack Directory
[Boiling point ]

284.6±40.0 °C(Predicted)
[density ]

1.161±0.06 g/cm3(Predicted)
[pka]

12.76±0.60(Predicted)
[CAS DataBase Reference]

77087-34-4
Safety DataBack Directory
[Symbol(GHS) ]

Corrosion (GHS05)
GHS05
[Signal word ]

Danger
[Hazard statements ]

H318-H302-H317
[Precautionary statements ]

P264-P270-P301+P312-P330-P501-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P280-P305+P351+P338-P310
[REACH Registrations]

Active
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Tosyl chloride-->Methanesulfonyl chloride-->2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one-->Lipase-->4-Hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentene-1-one
[Preparation Products]

(4S)-Hydroxy-3-methyl-2-(2-propenyl)-2-cyclopentene-1-one-->PYRETHRIN 2-->3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate
Hazard InformationBack Directory
[Uses]

(4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-cyclopent-2-en-1-one is an important intermediate in the preparation of dextropropargylpyrene (trade name Yidok).
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