3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

Base Information

Chemical Name:3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one
CAS No.:503174-38-7
Molecular Formula:C₂₀H₁₈O₃S
Molecular Weight:338.427
Hs Code.:

3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3a<i>H</i>-naphtho[2,1-<i>b</i>]furan-2-one

Synonyms:3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

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Chemical Property of 3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

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Technology Process of 3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

There total 3 articles about 3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one 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: 71.0%

: 16188-55-9
2-(4-(methylthio)phenyl)acetic acid

: 104115-64-2
2-bromo-7-methyl-1,2,3,4-tetrahydronapthalin-1-one

: 503174-38-7
3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

Guidance literature:: 2-(4-(methylthio)phenyl)acetic acid; With potassium hydroxide; In water; N,N-dimethyl-formamide; at 25 - 30 ℃;

2-bromo-7-methyl-1,2,3,4-tetrahydronapthalin-1-one; In water; N,N-dimethyl-formamide; at 25 - 30 ℃;
DOI:10.1016/S0040-4039(02)02144-5

Reference yield:

: 562069-25-4
7-methyl-1-oxo-1,2,3,4-tetrahydro-2-naphthalenyl-2-(4-methylsulfanylphenyl)acetate

: 503174-38-7
3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

Guidance literature:: With oxygen; 1,8-diazabicyclo[5.4.0]undec-7-ene; In acetonitrile; at 25 ℃; for 6h;
DOI:10.1016/S0960-894X(03)00282-8

Reference yield:

: 104115-64-2
2-bromo-7-methyl-1,2,3,4-tetrahydronapthalin-1-one

: 503174-38-7
3a-hydroxy-8-methyl-1-(4-methylsulfanyl-phenyl)-4,5-dihydro-3aH-naphtho[2,1-b]furan-2-one

Guidance literature:: Multi-step reaction with 2 steps

1: KOH / dimethylformamide / 1 h / 10 - 20 °C

2: O₂; DBU / acetonitrile / 6 h / 25 °C

With potassium hydroxide; oxygen; 1,8-diazabicyclo[5.4.0]undec-7-ene; In N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0960-894X(03)00282-8