(+)-(1R,5S)-2-Oxabicyclo[3.3.0]oct-6-en-3-one

(+)-(1R,5S)-2-Oxabicyclo[3.3.0]oct-6-en-3-one - Names and Identifiers

Name	(3aR,6aS)-3,3a,6,6a-tetrahydro-2H-cyclopenta[b]furan-2-one
Synonyms	(1S-cis)-2-oxabicyclo[3.3.0]oct-6-en-3-one (1S,5R)-(-)-2-oxabicyclo[3.3.0]Oct-6-En-3-One (+)-(1R,5S)-2-Oxabicyclo[3.3.0]oct-6-en-3-one cis-2-Hydroxy-4-cyclopentene-1-acetic acid lactone (3aR,6aS)-rel-2H,3H,3aH,6H,6aH-cyclopenta[b]furan-2-one (3aR,6aS)-3,3a,6,6a-tetrahydro-2H-cyclopenta[b]furan-2-one (3aR,6aS)-rel-3,3a,6,6a-Tetrahydro-2H-cyclopenta[b]furan-2-one 2H-cyclopenta[b]furan-2-one, 3,3a,6,6a-tetrahydro-, (3aR,6aS)- (3aS,6aR)-rel-3,3a,6,6a-Tetrahydro-2H-cyclopenta[b]furan-2-one 2H-Cyclopenta[b]furan-2-one, 3,3a,6,6a-tetrahydro-, (3aR,6aS)-rel-
CAS	43119-28-4 26054-46-6
InChI	InChI=1/C7H8O2/c8-7-4-5-2-1-3-6(5)9-7/h1-2,5-6H,3-4H2/t5-,6-/m0/s1

(+)-(1R,5S)-2-Oxabicyclo[3.3.0]oct-6-en-3-one - Physico-chemical Properties

Molecular Formula	C7H8O2
Molar Mass	124.14
Density	1.196±0.06 g/cm3(Predicted)
Boling Point	74 °C(Press: 0.3 Torr)
Flash Point	104°C
Vapor Presure	0.0105mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	1.522

(+)-(1R,5S)-2-Oxabicyclo[3.3.0]oct-6-en-3-one - Introduction

(3aR,6aS)-3,3a,6, [B] furan-2-one, also known as (3aR,6aS)-3,3a,6,6a-tetrahydro-2H-cyclopentane [B] furan-one, is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: Colorless to slightly yellow crystal
-Solubility: Soluble in organic solvents such as ethanol, chloroform and dimethylthionamide
-Melting point: about 35-39 degrees Celsius
-Molecular formula: C6H8O2
-Molecular weight: 112.13g/mol

Use:
(3aR,6aS)-3,3a,6, [B] furan-2-one is widely used in organic synthesis and can be used as an intermediate or raw material to prepare other organic compounds. Its special ring structure and functional groups make it play an important role in the synthesis of natural products, drugs and heterocyclic synthesis.

Preparation Method:
(3aR,6aS)-3,3a,6, [B] furan-2-one is prepared by various methods, one of which is commonly used by the oxidation reaction of cyclopentene. Specific steps are as follows:
1. Dissolve cyclopentene in an organic solvent, such as ethanol or chloroform.
2. Slowly add oxygen to the solution and stir at room temperature.
3. After the reaction is carried out for several hours, the target compound is obtained by a method such as distillation or extraction.

Safety Information:
(3aR,6aS)-3,3a,6, [B] furan-2-one has limited safety evaluation, so it is necessary to pay attention to safe operation when using it. Wear appropriate protective equipment such as lab gloves and goggles when using the compound. Avoid skin contact and inhalation of dust or gas. During the treatment, it should be carried out in a well-ventilated place and avoid contact with open flames and other flammable substances. Seek immediate medical assistance in case of accidental exposure or swallowing.

Please note that the above information is for reference only, and the specific operation and use should be carried out according to the actual situation and safety regulations.

Last Update：2024-04-09 19:05:49