2H-Cyclopenta(b)furan-2-one, 3-((((2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl)oxy)methylene)-3,3a,4,6a-tetrahydro-, (3E,3aS,6aS)-

Base Information

Chemical Name:2H-Cyclopenta(b)furan-2-one, 3-((((2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl)oxy)methylene)-3,3a,4,6a-tetrahydro-, (3E,3aS,6aS)-
CAS No.:77035-56-4
Molecular Formula:C₁₃H₁₂O₅
Molecular Weight:248.235
Hs Code.:
ChEMBL ID:CHEMBL2270923

Synonyms:2H-Cyclopenta(b)furan-2-one, 3-((((2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl)oxy)methylene)-3,3a,4,6a-tetrahydro-, (3E,3aS,6aS)-;77035-56-4;CHEMBL2270923

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 2H-Cyclopenta(b)furan-2-one, 3-((((2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl)oxy)methylene)-3,3a,4,6a-tetrahydro-, (3E,3aS,6aS)-

Chemical Property:

Vapor Pressure:9.43E-13mmHg at 25°C
Boiling Point:564.2°Cat760mmHg
Flash Point:256.8°C
Density:1.36g/cm³
XLogP3:1.4
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:2
Exact Mass:248.06847348
Heavy Atom Count:18
Complexity:500

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Canonical SMILES:CC1=CC(OC1=O)OC=C2C3CC=CC3OC2=O
Isomeric SMILES:CC1=C[C@H](OC1=O)O/C=C/2\[C@@H]3CC=C[C@@H]3OC2=O

Technology Process of 2H-Cyclopenta(b)furan-2-one, 3-((((2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl)oxy)methylene)-3,3a,4,6a-tetrahydro-, (3E,3aS,6aS)-

There total 26 articles about 2H-Cyclopenta(b)furan-2-one, 3-((((2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl)oxy)methylene)-3,3a,4,6a-tetrahydro-, (3E,3aS,6aS)- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 81.0%

: (3bS)-8-(4-methoxyphenyl)-7a,8a-dimethyl-3t-[(3E,3aS-cis)-2-oxo-4,6a-dihydro-2H-cyclopenta[b]furan-3(3aH)-ylidenemethoxy]-3at,4,5,6,7,7at,8,8at-octahydro-3br,8c-etheno-3bH-indeno[1,2-c]furan-1(3H)-one

: 77035-56-4
(3aS,6aS)-3-[1-((R)-4-Methyl-5-oxo-2,5-dihydro-furan-2-yloxy)-meth-(E)-ylidene]-3,3a,4,6a-tetrahydro-cyclopenta[b]furan-2-one

: 160695-09-0
(S)-3-(4-Methoxy-phenyl)-3a-methyl-4,5,6,7-tetrahydro-3aH-indene

Guidance literature:: at 500 ℃; for 0.75h; under 0.008 Torr;
DOI:10.1016/S0040-4020(98)00077-5

Reference yield: 59.0%

: 194468-89-8
C₃₀H₃₂O₆

: 77035-56-4
(3aS,6aS)-3-[1-((R)-4-Methyl-5-oxo-2,5-dihydro-furan-2-yloxy)-meth-(E)-ylidene]-3,3a,4,6a-tetrahydro-cyclopenta[b]furan-2-one

Guidance literature:: at 500 ℃; under 0.0008 Torr;
DOI:10.1016/S0040-4039(97)01228-8

Reference yield:

: 616-02-4
citraconic acid anhydride

: 77035-56-4
(3aS,6aS)-3-[1-((R)-4-Methyl-5-oxo-2,5-dihydro-furan-2-yloxy)-meth-(E)-ylidene]-3,3a,4,6a-tetrahydro-cyclopenta[b]furan-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: 75 percent / CH₂Cl₂ / 72 h / 21 °C / 7500600 Torr

2: 76 percent / lithium tri-tert-butoxyaluminium hydride / tetrahydrofuran / 1.) -40 deg C -> room temperature, 2.) room temperature, 6 h

3: 34 percent / NaH / tetrahydrofuran / 16 h / 22 °C

4: 59 percent / 0.75 h / 500 °C / 0.01 Torr

With lithium tri(t-butoxy)aluminum hydride; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1016/S0040-4020(98)00077-5