(2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

Base Information

Chemical Name:(2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene
CAS No.:1412393-17-9
Molecular Formula:C₂₃H₂₈O₂S
Molecular Weight:368.54
Hs Code.:

Synonyms:(2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

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Chemical Property of (2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

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Technology Process of (2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

There total 6 articles about (2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene 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: 55.0%

: 1412393-14-6
(3R)-1-(2-fluoro-5-methoxyphenyl)-3,7-dimethyl-1-(phenylsulfanyl)oct-6-en-3-ol

: 1412393-17-9
(2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

Guidance literature:: With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 15h; Inert atmosphere; Reflux;
DOI:10.1002/hlca.201200312

Reference yield:

: 1412393-12-4
1-fluoro-4-methoxy-2-[ (phenylsulfanyl)methyl]benzene

: 1412393-17-9
(2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -78 °C / Inert atmosphere

1.2: 20 h / -78 - 20 °C / Inert atmosphere

2.1: potassium tert-butylate / tetrahydrofuran / 15 h / 20 °C / Inert atmosphere; Reflux

With n-butyllithium; potassium tert-butylate; In tetrahydrofuran; hexane;
DOI:10.1002/hlca.201200312

Reference yield:

: 105728-90-3
2-fluoro-5-methoxybenzaldehyde

: 1412393-17-9
(2R)-3,4-dihydro-6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-4-(phenylsulfanyl)-2H-chromene

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium tetrahydroborate / methanol / 0.17 h / 20 °C

2.1: pyridine; tributylphosphine / 0.33 h / 20 °C

3.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -78 °C / Inert atmosphere

3.2: 20 h / -78 - 20 °C / Inert atmosphere

4.1: potassium tert-butylate / tetrahydrofuran / 15 h / 20 °C / Inert atmosphere; Reflux

With pyridine; sodium tetrahydroborate; n-butyllithium; tributylphosphine; potassium tert-butylate; In tetrahydrofuran; methanol; hexane;
DOI:10.1002/hlca.201200312