(2R,5S,6S,7S)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

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Chemical Name:(2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran
CAS No.:98128-02-0
Molecular Formula:C₂₅H₄₂O₆Si
Molecular Weight:466.69
Hs Code.:

Synonyms:(2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

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Chemical Property of (2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

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Technology Process of (2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

There total 5 articles about (2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran 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: 56.0%

: 98128-01-9
(E,Z)-1-methoxy-2-methyl-3-((trimethylsily)oxy)-1,3-pentadiene

: 98128-00-8
2-(3,4,5-trimethoxyphenyl)propionaldehyde

: 98128-02-0
(2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

Guidance literature:: YbFOD; In chloroform; for 36h; Ambient temperature;
DOI:10.1021/ja00309a037

Reference yield:

: 1136-86-3
methyl (3,4,5-trimethoxyphenyl) ketone

: 98128-02-0
(2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

Guidance literature:: Multi-step reaction with 3 steps

1: 94 percent / 60 percent NaH, Me₂SO / tetrahydrofuran / 1.) 1 h, 0 deg C; 2.) 1.5 h, 0 deg C, 3.) 1 h, RT

2: 84 percent / conc. HBr / acetone; H₂O / 7 h

3: 56 percent / YbFOD / CHCl₃ / 36 h / Ambient temperature

With hydrogen bromide; sodium hydride; dimethyl sulfoxide; YbFOD; In tetrahydrofuran; chloroform; water; acetone;
DOI:10.1021/ja00309a037

Reference yield:

: 56279-35-7
(E)-1-methoxy-2-methyl-1-penten-3-one

: 98128-02-0
(2R*,5S*,6S*,7S*)-5,6-dihydro-3,5-dimethyl-2-methoxy-4-((triethylsilyl)oxy)-6-(1-(3,4,5-trimethoxyphenyl)ethyl)-2H-pyran

Guidance literature:: Multi-step reaction with 2 steps

1: 73 percent / triethylamine / diethyl ether / 0.5 h

2: 56 percent / YbFOD / CHCl₃ / 36 h / Ambient temperature

With triethylamine; YbFOD; In diethyl ether; chloroform;
DOI:10.1021/ja00309a037