(R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

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Chemical Name:(R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol
CAS No.:172268-60-9
Molecular Formula:C₂₇H₃₆O₄Si
Molecular Weight:452.666
Hs Code.:

Synonyms:(R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

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Chemical Property of (R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

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Technology Process of (R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

There total 10 articles about (R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol 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: 80.0%

: 75-16-1
methylmagnesium bromide

: 198192-50-6
1-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-but-2-yn-1-one

: 172268-60-9
(R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

Guidance literature:: With magnesium chloride; In tetrahydrofuran; diethyl ether; 1.) reflux 20 min, 2.) -78 deg C, 1.5 h;
DOI:10.1021/ja972497r

Reference yield:

: 1-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-but-2-yn-1-ol

: 172268-60-9
(R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

Guidance literature:: Multi-step reaction with 2 steps

1: 83 percent / dicyclohexylcarbodiimide, dimethyl sulfoxide, trifluoroacetic acid, pyridine / benzene / 2 h / Ambient temperature

2: 80 percent / magnesium chloride / tetrahydrofuran; diethyl ether / 1.) reflux 20 min, 2.) -78 deg C, 1.5 h

With pyridine; dimethyl sulfoxide; dicyclohexyl-carbodiimide; trifluoroacetic acid; magnesium chloride; In tetrahydrofuran; diethyl ether; benzene;
DOI:10.1021/ja972497r

Reference yield:

: 172587-76-7
(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-carbaldehyde

: 172268-60-9
(R)-2-[(2S,4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-pent-3-yn-2-ol

Guidance literature:: Multi-step reaction with 3 steps

1: 96 percent / tetrahydrofuran; hexane / 0.25 h / -78 °C

2: 83 percent / dicyclohexylcarbodiimide, dimethyl sulfoxide, trifluoroacetic acid, pyridine / benzene / 2 h / Ambient temperature

3: 80 percent / magnesium chloride / tetrahydrofuran; diethyl ether / 1.) reflux 20 min, 2.) -78 deg C, 1.5 h

With pyridine; dimethyl sulfoxide; dicyclohexyl-carbodiimide; trifluoroacetic acid; magnesium chloride; In tetrahydrofuran; diethyl ether; hexane; benzene;
DOI:10.1021/ja972497r