(rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

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Chemical Name:(rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile
CAS No.:121175-37-9
Molecular Formula:C₂₀H₂₇NO₄
Molecular Weight:345.439
Hs Code.:

Synonyms:(rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

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Chemical Property of (rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

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Technology Process of (rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

There total 4 articles about (rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile 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: 75.6%

: 7677-24-9
trimethylsilyl cyanide

: 121175-34-6
(rac-2α,6'β)-3,4,3',4',5',6'-hexahydro-5,6',7,8-tetramethylspiro<2H-1-benzopyran-2,2'-<2H>pyran>-6-ol acetate

: 121175-37-9
(rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

Guidance literature:: With boron trifluoride diethyl etherate; In dichloromethane; 1.) -40 deg C, 30 min, 2.) from 0 to 5 deg C, 3 h;
DOI:10.1021/jo00275a010

Reference yield:

: 700-13-0
Trimethylhydroquinone

: 121175-37-9
(rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1: 43.5 percent / p-toluenesulfonic acid monohydrate / toluene / 0.5 h / Heating

2: 80 percent / pyridine / 18 h / Ambient temperature

3: 75.6 percent / BF₃ etherate / CH₂Cl₂ / 1.) -40 deg C, 30 min, 2.) from 0 to 5 deg C, 3 h

With pyridine; boron trifluoride diethyl etherate; toluene-4-sulfonic acid; In dichloromethane; toluene;
DOI:10.1021/jo00275a010

Reference yield:

: 51270-07-6
7-hydroxy-1-octen-3-one

: 121175-37-9
(rac-2β,6α)-2-<2-<3-(acetyloxy)-6-hydroxy-2,4,5-trimethylphenyl>ethyl>tetrahydro-6-methyl-2H-pyran-2-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1: 43.5 percent / p-toluenesulfonic acid monohydrate / toluene / 0.5 h / Heating

2: 80 percent / pyridine / 18 h / Ambient temperature

3: 75.6 percent / BF₃ etherate / CH₂Cl₂ / 1.) -40 deg C, 30 min, 2.) from 0 to 5 deg C, 3 h

With pyridine; boron trifluoride diethyl etherate; toluene-4-sulfonic acid; In dichloromethane; toluene;
DOI:10.1021/jo00275a010