2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol

Base Information

• Chemical Name: 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol
• CAS No.: 57907-34-3
• Molecular Formula: C₁₉H₂₄O₂
• Molecular Weight: 284.398

Synonyms:2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol

Chemical Property of 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol

Chemical Property:

Purity/Quality:

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Technology Process of 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol

There total 2 articles about 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol 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:

ethyl bromide (74-96-4) + 2-methyl-pent-1-en-4-yn-3-ol (1572-63-0) + 3-ethylenedioxy-β-ionone → 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol (57907-34-3)

Guidance literature:

With magnesium; In diethyl ether; dichloromethane; sulfuric acid;

Reference yield:

2-methyl-pent-1-en-4-yn-3-ol (1572-63-0) + 4-(7,9,9-trimethyl-1,4-dioxaspiro<4.5>dec-7-en-8-yl)-3-buten-2-on (37828-52-7) → 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol (57907-34-3)

Guidance literature:

Multistep reaction; (i) EtMgBr, Et₂O, (ii) /BRN= 6401892/, (iii) aq. H₂SO₄, CH₂Cl₂;

DOI:10.1002/hlca.19700530513

Reference yield:

lead (7439-92-1) + diethyl ether (60-29-7,927820-24-4) + 2,2'-ethane-1,2-diylbissulfanyl-bis-ethanol (5244-34-8) + 2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,6-octadien-4-yn-3-ol (57907-34-3) + SiO2 (7631-86-9,105269-70-3,1317-48-2,13778-37-5,14464-46-1,14808-60-7,14832-85-0,15468-32-3,17679-64-0,87347-84-0,92283-58-4,99439-28-8,15723-40-7) → 4-cis-2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,4,6-octatrien-3-ol (26034-82-2)

Guidance literature:

With hydrogen; palladium-clacium carbonate; In quinoline; Petroleum ether; benzene;

upstream raw materials:

2-methyl-pent-1-en-4-yn-3-ol

4-(7,9,9-trimethyl-1,4-dioxaspiro<4.5>dec-7-en-8-yl)-3-buten-2-on

ethyl bromide

Downstream raw materials:

rhodoxanthin

10,11,10',11'-Tetradehydro-rhodoxanthin

4-cis-2,6-dimethyl-8-(4-oxo-2,6,6-trimethyl-2-cyclohexenylidene)-1,4,6-octatrien-3-ol

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