(2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

Base Information

Chemical Name:(2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate
CAS No.:222986-42-7
Molecular Formula:C₁₉H₂₆O₅Si
Molecular Weight:362.498
Hs Code.:

Synonyms:(2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

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Chemical Property of (2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

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Technology Process of (2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

There total 10 articles about (2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate 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: 75.0%

: 98-88-4
benzoyl chloride

: 222986-40-5
(5R)-1-hydroxy-5-tert-butyldimethylsilanyloxymethyl-5H-pyran-4-(1H)-one

: 222986-42-7
(2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

Guidance literature:: With dmap; triethylamine; at -78 ℃;
DOI:10.1016/S0040-4039(99)02050-X

Reference yield:

: 1487-18-9
(furan-2-yl)ethylene

: 222986-42-7
(2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

Guidance literature:: Multi-step reaction with 4 steps

1: (DHQD)2PHAL; K₃Fe(CN)6; K₂CO₃ / 2-methyl-propan-2-ol; H₂O / 12 h / 0 °C

2: 91 percent / Et₃N / DMAP / CH₂Cl₂ / 6 h / 0 °C

3: 95 percent / NBS; NaHCO₃; NaOAc*3H₂O / tetrahydrofuran; H₂O / 1 h / 0 °C

4: 60 percent / Et₃N / DMAP / CH₂Cl₂ / 3 h / -78 °C

With N-Bromosuccinimide; sodium acetate; sodium hydrogencarbonate; potassium carbonate; 1,4-bis(9-O-dihydroquinidine)phthalazine; triethylamine; potassium hexacyanoferrate(III); dmap; In tetrahydrofuran; dichloromethane; water; tert-butyl alcohol; 1: Oxidation / 2: Alkylation / 3: Oxidation / 4: Acylation;
DOI:10.1016/S0008-6215(00)00031-8

Reference yield:

: 14086-08-9
(R)-2-(2-furyl)-1,2-ethanediol

: 222986-42-7
(2S,6R)-6-(tert-butyldimethylsilanyloxymethyl)-5-oxo-5,6-dihydro-2H-pyran-2-yl benzoate

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / Et₃N / DMAP / CH₂Cl₂ / 6 h / 0 °C

2: 95 percent / NBS; NaHCO₃; NaOAc*3H₂O / tetrahydrofuran; H₂O / 1 h / 0 °C

3: 60 percent / Et₃N / DMAP / CH₂Cl₂ / 3 h / -78 °C

With N-Bromosuccinimide; sodium acetate; sodium hydrogencarbonate; triethylamine; dmap; In tetrahydrofuran; dichloromethane; water; 1: Alkylation / 2: Oxidation / 3: Acylation;
DOI:10.1016/S0008-6215(00)00031-8