carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester

Base Information

• Chemical Name: carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester
• CAS No.: 159769-35-4
• Molecular Formula: C₁₇H₂₄O₃
• Molecular Weight: 276.376

Synonyms:carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester

Chemical Property of carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester

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Technology Process of carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester

There total 2 articles about carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester 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: 31.0%

phosgene (75-44-5) + 1-ethynyl-2,2,6-trimethyl-1-cyclohexanol (41613-59-6) + lithiated prenal enolate → carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester (159769-35-4)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; diethyl ether; hexane; toluene; at -40 ℃;

Reference yield:

phosgene (75-44-5) + 1-ethynyl-2,2,6-trimethyl-1-cyclohexanol (41613-59-6) + (E)-trimethyl((3-methylbuta-1,3-dien-1-yl)oxy)silane (58274-64-9,82223-93-6,73912-36-4) → carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester (159769-35-4)

Guidance literature:

With n-butyllithium; methyllithium; Yield given. Multistep reaction; 1.) THF, hexane, -20 deg C, toluene, 2.) THF, ether, -40 deg C to RT;

DOI:10.1016/0040-4039(94)85321-5

Reference yield: 69.0%

carbonic acid (1-ethynyl-2,2,6-trimethylcyclohexyl) ester (3-methylbuta-1(E),3-dien-1-yl) ester (159769-35-4) → (E)-3-Methyl-6-(2,2,6-trimethyl-cyclohexylidene)-hexa-2,5-dienal

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; at 60 ℃;

DOI:10.1016/0040-4039(94)85321-5

upstream raw materials:

phosgene

1-ethynyl-2,2,6-trimethyl-1-cyclohexanol

(E)-trimethyl((3-methylbuta-1,3-dien-1-yl)oxy)silane

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