(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

Base Information

Chemical Name:(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester
CAS No.:131447-98-8
Molecular Formula:C₃₄H₄₄O₇
Molecular Weight:564.719
Hs Code.:

(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

Synonyms:(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

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Chemical Property of (2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

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Technology Process of (2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

There total 4 articles about (2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester 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: 96.0%

: 131429-89-5
(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid

: 131429-65-7
(2R,3S,6S)-6-((R)-2-Hydroxy-1-methyl-ethyl)-3-methyl-tetrahydro-pyran-2-carboxylic acid benzyl ester

: 131447-98-8
(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

Guidance literature:: With dmap; 4-N,N-dimethylaminopyridine trifluoroacetate; dicyclohexyl-carbodiimide; In dichloromethane; at 25 ℃;
DOI:10.1016/S0040-4039(00)98051-1

Reference yield:

: 96720-60-4,107134-01-0,131487-83-7
(5R,6R)-5-((R)-2-Benzyloxy-1-methyl-ethyl)-6-((E)-propenyl)-[1,4]dioxan-2-one

: 131447-98-8
(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1) LiHMDS, TMSCl/Et₃N, 2) aq. 5percent HCl / 1) THF, -78 deg C, then reflux, 4.5 h

2: 96 percent / DCC, DMAP, DMAP-TFA / CH₂Cl₂ / 25 °C

With hydrogenchloride; dmap; chloro-trimethyl-silane; 4-N,N-dimethylaminopyridine trifluoroacetate; triethylamine; dicyclohexyl-carbodiimide; lithium hexamethyldisilazane; In dichloromethane;
DOI:10.1016/S0040-4039(00)98051-1

Reference yield:

: 131429-89-5
(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid

: 131447-98-8
(2R,3S,6S)-6-((R)-2-Benzyloxy-1-methyl-ethyl)-3-methyl-3,6-dihydro-2H-pyran-2-carboxylic acid (R)-2-((2S,5S,6R)-6-benzyloxycarbonyl-5-methyl-tetrahydro-pyran-2-yl)-propyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 96 percent / H₂ / Pd/C / ethanol / 10 h / 760 Torr / Ambient temperature

2: 97 percent / DCC, DMAP, DMAP-TFA / CH₂Cl₂ / 25 °C

3: 96 percent / DCC, DMAP, DMAP-TFA / CH₂Cl₂ / 25 °C

With dmap; hydrogen; 4-N,N-dimethylaminopyridine trifluoroacetate; dicyclohexyl-carbodiimide; palladium on activated charcoal; In ethanol; dichloromethane;
DOI:10.1016/S0040-4039(00)98051-1