(E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ⁶-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol

Base Information

• Chemical Name: (E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ⁶-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol
• CAS No.: 189011-84-5
• Molecular Formula: C₂₁H₃₄O₄S
• Molecular Weight: 382.565

Synonyms:(E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ⁶-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol

Chemical Property of (E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ⁶-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol

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Technology Process of (E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ⁶-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol

There total 1 articles about (E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ⁶-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-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: 73.0%

(E)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal (14398-40-4) + 2-methoxymethyl-3-methyl-3-sulfolene (139617-92-8) → (E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ6-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol (189011-84-5)

Guidance literature:

With lithium hexamethyldisilazane; In tetrahydrofuran; at -90 ℃;

DOI:10.1016/S0040-4039(97)00459-0

Reference yield:

(E)-1-(5-Methoxymethyl-4-methyl-1,1-dioxo-2,5-dihydro-1H-1λ6-thiophen-2-yl)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-but-2-en-1-ol (189011-84-5) → retinyl methyl ether (32450-56-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 67 percent / pyridine / 1 h / Heating

2: 54 percent / POCl₃, pyridine / toluene / 50 °C

With pyridine; trichlorophosphate; In pyridine; toluene;

DOI:10.1016/S0040-4039(97)00459-0

upstream raw materials:

(E)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal

2-methoxymethyl-3-methyl-3-sulfolene

Downstream raw materials:

retinyl methyl ether

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