2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

Base Information

Chemical Name:2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone
CAS No.:189571-83-3
Molecular Formula:C₂₀H₂₆O₇
Molecular Weight:378.422
Hs Code.:

Synonyms:2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

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Chemical Property of 2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

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Technology Process of 2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

There total 3 articles about 2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone 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: 95.0%

: 189571-82-2
2-Benzyloxy-1-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanol

: 189571-83-3
2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

Guidance literature:: With oxalyl dichloride; dimethyl sulfoxide; triethylamine; In dichloromethane; for 2h; Ambient temperature;
DOI:10.1016/S0040-4020(97)00240-8

Reference yield:

: 100-39-0
benzyl bromide

: 189571-83-3
2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

Guidance literature:: Multi-step reaction with 2 steps

1: 89 percent / bis-tributylstannyl oxide, tetrabutylammonium bromide / benzene / 24 h / Heating

2: 95 percent / oxalyl chloride, DMSO, triethylamine / CH₂Cl₂ / 2 h / Ambient temperature

With oxalyl dichloride; tetrabutylammomium bromide; dimethyl sulfoxide; triethylamine; bis(tri-n-butyltin)oxide; In dichloromethane; benzene;
DOI:10.1016/S0040-4020(97)00240-8

Reference yield:

: 1-((3aR,5aS,8aS,8bR)-2,2,7,7-Tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethane-1,2-diol

: 189571-83-3
2-Benzyloxy-1-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethanone

Guidance literature:: Multi-step reaction with 2 steps

1: 89 percent / bis-tributylstannyl oxide, tetrabutylammonium bromide / benzene / 24 h / Heating

2: 95 percent / oxalyl chloride, DMSO, triethylamine / CH₂Cl₂ / 2 h / Ambient temperature

With oxalyl dichloride; tetrabutylammomium bromide; dimethyl sulfoxide; triethylamine; bis(tri-n-butyltin)oxide; In dichloromethane; benzene;
DOI:10.1016/S0040-4020(97)00240-8