[3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

Base Information

Chemical Name:[3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde
CAS No.:102586-41-4
Molecular Formula:C₂₁H₂₈O
Molecular Weight:296.453
Hs Code.:

Synonyms:[3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

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Chemical Property of [3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

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Technology Process of [3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

There total 4 articles about [3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde 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:

: 66556-69-2
(E)-1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1-buten-3-yltriphenylphosphonium bromide

: 102586-41-4
[3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

Guidance literature:: Multi-step reaction with 3 steps

1: 62 percent / 1.5 M n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 °C

2: 50 percent / NaH / tetrahydrofuran / 3 h / 25 °C

3: 1.) 1 M diisobutylaluminum hydride; 2.) silica / 1.) hexane, -78 deg C, 1 h; 2.) ether, 4 deg C, 15 h

With n-butyllithium; silica gel; sodium hydride; diisobutylaluminium hydride; In tetrahydrofuran; hexane;
DOI:10.1021/ja00275a056

Reference yield:

: 102574-14-1
2-cyclopentenone-3-carbaldehyde

: 102586-41-4
[3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

Guidance literature:: Multi-step reaction with 3 steps

1: 62 percent / 1.5 M n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 °C

2: 50 percent / NaH / tetrahydrofuran / 3 h / 25 °C

3: 1.) 1 M diisobutylaluminum hydride; 2.) silica / 1.) hexane, -78 deg C, 1 h; 2.) ether, 4 deg C, 15 h

With n-butyllithium; silica gel; sodium hydride; diisobutylaluminium hydride; In tetrahydrofuran; hexane;
DOI:10.1021/ja00275a056

Reference yield:

: 102574-15-2
3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-enone

: 102586-41-4
[3-[(1E,3E)-2-Methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-cyclopent-2-en-(Z)-ylidene]-acetaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1: 50 percent / NaH / tetrahydrofuran / 3 h / 25 °C

2: 1.) 1 M diisobutylaluminum hydride; 2.) silica / 1.) hexane, -78 deg C, 1 h; 2.) ether, 4 deg C, 15 h

With silica gel; sodium hydride; diisobutylaluminium hydride; In tetrahydrofuran;
DOI:10.1021/ja00275a056