methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

Base Information

Chemical Name:methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate
CAS No.:132102-21-7
Molecular Formula:C₂₄H₂₈O₂S
Molecular Weight:380.551
Hs Code.:

Synonyms:methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

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Chemical Property of methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

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Technology Process of methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

There total 5 articles about methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-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: 39.2%

: 78022-19-2
dimethyl (4-carbomethoxybenzyl)phosphonate

: 132102-26-2
2,2,4,4-tetramethyl-6-acetylthiochroman

: 132102-21-7
methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

Guidance literature:: With 15-crown-5; sodium hydride; In tetrahydrofuran; for 24h; Ambient temperature;
DOI:10.1021/jm00105a065

Reference yield:

: 141-79-7
4-methyl-pent-3-en-2-one

: 132102-21-7
methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

Guidance literature:: Multi-step reaction with 5 steps

1: 77.1 percent / Et₃N / CHCl₃ / 24 h / Heating

2: 75.2 percent / diethyl ether / 3 h / Ambient temperature

3: 89.3 percent / AlCl₃ / CS₂ / 10 h / Heating

4: 68.1 percent / AlCl₃ / nitromethane / 12.5 h / 0 - 20 °C

5: 39.2 percent / NaH, 15-crown-5 ether / tetrahydrofuran / 24 h / Ambient temperature

With aluminium trichloride; 15-crown-5; sodium hydride; triethylamine; In tetrahydrofuran; carbon disulfide; diethyl ether; nitromethane; chloroform;
DOI:10.1021/jm00105a065

Reference yield:

: 50461-99-9
4-methyl-4-phenylsulfanyl-pentan-2-one

: 132102-21-7
methyl (E)-4-<2-(2,2,4,4-tetramethylthiochroman-6-yl)-1-propenyl>benzoate

Guidance literature:: Multi-step reaction with 4 steps

1: 75.2 percent / diethyl ether / 3 h / Ambient temperature

2: 89.3 percent / AlCl₃ / CS₂ / 10 h / Heating

3: 68.1 percent / AlCl₃ / nitromethane / 12.5 h / 0 - 20 °C

4: 39.2 percent / NaH, 15-crown-5 ether / tetrahydrofuran / 24 h / Ambient temperature

With aluminium trichloride; 15-crown-5; sodium hydride; In tetrahydrofuran; carbon disulfide; diethyl ether; nitromethane;
DOI:10.1021/jm00105a065