ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

Base Information

Chemical Name:ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate
CAS No.:139631-44-0
Molecular Formula:C₄₈H₈₆O₉Si₄
Molecular Weight:919.547
Hs Code.:

Synonyms:ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

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Technology Process of ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

There total 5 articles about ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate 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:

: 69739-34-0
t-butyldimethylsiyl triflate

: 139631-44-0
ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

Guidance literature:: Multi-step reaction with 3 steps

1: 100 percent / 2,6-dimethyllutidine / CH₂Cl₂ / 14 h / Ambient temperature

2: 82 percent / DIBAL-H / CH₂Cl₂ / 1 h / -78 °C

3: 1.) oxalyl chloride, DMSO / 1.) dichloromethane, -78 deg C, 15 min, 2.) dichloromethane, -78 deg C, 20 min

With 2,6-dimethyllutidine; oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; In dichloromethane;

Reference yield:

: 130860-91-2
*,R^*)>-diethyl (2E,6E)-4,5-bis(phenylmethoxy)-2,6-octadienedioate

: 139631-44-0
ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

Guidance literature:: Multi-step reaction with 4 steps

1: 71 percent / N-methylmorpholine N-oxide, OsO₄ / acetone; H₂O / 18 h / Ambient temperature

2: 100 percent / 2,6-dimethyllutidine / CH₂Cl₂ / 14 h / Ambient temperature

3: 82 percent / DIBAL-H / CH₂Cl₂ / 1 h / -78 °C

4: 1.) oxalyl chloride, DMSO / 1.) dichloromethane, -78 deg C, 15 min, 2.) dichloromethane, -78 deg C, 20 min

With 2,6-dimethyllutidine; osmium(VIII) oxide; oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; 4-methylmorpholine N-oxide; In dichloromethane; water; acetone;

Reference yield:

: 130860-92-3
diethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octarate

: 139631-44-0
ethyl 2,3,6,7-tetrakis-O-<(1,1-dimethylethyl)dimethylsilyl>-4,5-bis-O-(phenylmethyl)-D-threo-L-galacto-octuronate

Guidance literature:: Multi-step reaction with 2 steps

1: 82 percent / DIBAL-H / CH₂Cl₂ / 1 h / -78 °C

2: 1.) oxalyl chloride, DMSO / 1.) dichloromethane, -78 deg C, 15 min, 2.) dichloromethane, -78 deg C, 20 min

With oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; In dichloromethane;