4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI)

Base Information

Chemical Name:4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI)
CAS No.:128886-98-6
Molecular Formula:C₈H₈O₃
Molecular Weight:152.15
Hs Code.:
Mol file:128886-98-6.mol

Synonyms:4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI)

Suppliers and Price of 4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI)

Supply Marketing:

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

Manufacturers and distributors:

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Chemicals and raw materials
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Total 1 raw suppliers

Chemical Property of 4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI)

Chemical Property:

PSA：54.37000
LogP:0.91650

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI)

There total 5 articles about 4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (E)- (9CI) 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: 61.0%

: 54345-20-9
(E)-3-methyl-5-(2'-oxopropylidene)furan-2(5H)-one

: 128886-98-6
2-(1-hydroxyethylidene)-4-methylcyclopent-4-ene-1,3-dione

Guidance literature:: With sodium methylate; In methanol; at 20 ℃; for 2h;
DOI:10.1007/s11172-010-0048-9

Reference yield:

: 54345-20-9
(E)-3-methyl-5-(2'-oxopropylidene)furan-2(5H)-one

: 128886-99-7
(2Z)-2-(1-hydroxyethylidene)-4-methylcyclopent-4-ene-1,3-dione

: 128886-98-6
2-(1-hydroxyethylidene)-4-methylcyclopent-4-ene-1,3-dione

Guidance literature:: (E)-3-methyl-5-(2'-oxopropylidene)furan-2(5H)-one; With sodium methylate; In methanol; at 20 ℃; for 2h;

With hydrogenchloride; In methanol; water;
DOI:10.1007/s11172-010-0048-9

Reference yield:

: 616-02-4
citraconic acid anhydride

: 128886-98-6
2-(1-hydroxyethylidene)-4-methylcyclopent-4-ene-1,3-dione

Guidance literature:: Multi-step reaction with 2 steps

1: toluene / 16 h / Inert atmosphere; Reflux

2: sodium methylate / methanol / 2 h / 20 °C

With sodium methylate; In methanol; toluene; 1: Wittig reaction;
DOI:10.1007/s11172-010-0048-9