methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate

Base Information

• Chemical Name: methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate
• CAS No.: 123065-78-1
• Molecular Formula: C₂₁H₂₂O₂S
• Molecular Weight: 338.47

Synonyms:methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate

Chemical Property of methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate

Chemical Property:

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Technology Process of methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate

There total 6 articles about methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate 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:

2-methyl-1-(phenylthio)propan-2-ol (13307-60-3) → methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate (123065-78-1)

Guidance literature:

Multi-step reaction with 5 steps

1: 72.8 percent / AlCl₃ / CS₂ / 3 h / Heating

2: 88.9 percent / AlCl₃ / CS₂ / 2 h / Ambient temperature

3: LiAlH₄ / diethyl ether / 24 h / Heating

4: 70.3 percent / methanol / 36 h / Ambient temperature

5: 1.) n-BuLi / 1.) THF, hexane, RT, 1.5 h, 2.) 25 h

With lithium aluminium tetrahydride; n-butyllithium; aluminium trichloride; In methanol; carbon disulfide; diethyl ether;

DOI:10.1021/jm00105a065

Reference yield:

2,3-dihydro-3,3-dimethylbenzo[b]thiophene (14422-01-6) → methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate (123065-78-1)

Guidance literature:

Multi-step reaction with 4 steps

1: 88.9 percent / AlCl₃ / CS₂ / 2 h / Ambient temperature

2: LiAlH₄ / diethyl ether / 24 h / Heating

3: 70.3 percent / methanol / 36 h / Ambient temperature

4: 1.) n-BuLi / 1.) THF, hexane, RT, 1.5 h, 2.) 25 h

With lithium aluminium tetrahydride; n-butyllithium; aluminium trichloride; In methanol; carbon disulfide; diethyl ether;

DOI:10.1021/jm00105a065

Reference yield:

1-(3,3-Dimethyl-2,3-dihydro-benzo[b]thiophen-5-yl)-ethanone (132102-34-2) → methyl (E)-4-<2-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)-1-propenyl>benzoate (123065-78-1)

Guidance literature:

Multi-step reaction with 3 steps

1: LiAlH₄ / diethyl ether / 24 h / Heating

2: 70.3 percent / methanol / 36 h / Ambient temperature

3: 1.) n-BuLi / 1.) THF, hexane, RT, 1.5 h, 2.) 25 h

With lithium aluminium tetrahydride; n-butyllithium; In methanol; diethyl ether;

DOI:10.1021/jm00105a065

upstream raw materials:

<1-(2,3-dihydro-3,3-dimethylbenzothien-5-yl)ethyl>triphenylphosphonium bromide

methyl 4-formylbenzoate

2-methyl-1-(phenylthio)propan-2-ol

2,3-dihydro-3,3-dimethylbenzo[b]thiophene

Downstream raw materials:

(E)-4-[2-(2,3-dihydro-3,3-dimethylbenzo[b]thien-5-yl)-1-propenyl]benzoic acid

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