Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

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Chemical Name:Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane
CAS No.:188199-04-4
Molecular Formula:C₃₃H₅₆O₈Si
Molecular Weight:608.888
Hs Code.:

Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

Synonyms:Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

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Chemical Property of Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

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Technology Process of Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

There total 5 articles about Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane 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:

: 67373-56-2
chlorodimethyl(1,1,2-trimethylpropyl)silane

: 188199-04-4
Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

Guidance literature:: Multi-step reaction with 4 steps

1: imidazole, DMAP / dimethylformamide

2: 80 percent / aq. HCO₂H / diethyl ether / 0.5 h

3: pyridine / CH₂Cl₂ / 1.5 h / -15 °C

4: 1.) NaH, DMPU / 1.) THF, 0 deg C, 30 min, 2.) THF, 3 h

With pyridine; 1H-imidazole; dmap; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; formic acid; sodium hydride; In diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(96)00224-6

Reference yield:

: [2S,5α,6β]-1-(5,6-dihydro-6-hydroxymethyl-5-hydroxy-2H-pyran-2-yl)-2-methyl-cyclohex-2-ene

: 188199-04-4
Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

Guidance literature:: Multi-step reaction with 5 steps

1: 75 percent / pyridine, DMAP / CH₂Cl₂ / 2.5 h

2: imidazole, DMAP / dimethylformamide

3: 80 percent / aq. HCO₂H / diethyl ether / 0.5 h

4: pyridine / CH₂Cl₂ / 1.5 h / -15 °C

5: 1.) NaH, DMPU / 1.) THF, 0 deg C, 30 min, 2.) THF, 3 h

With pyridine; 1H-imidazole; dmap; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; formic acid; sodium hydride; In diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(96)00224-6

Reference yield:

: 188198-99-4
(2R,3S,6S)-6-(2-Methyl-cyclohex-2-enyl)-2-trityloxymethyl-3,6-dihydro-2H-pyran-3-ol

: 188199-04-4
Dimethyl-[(2R,3S,6S)-6-(2-methyl-cyclohex-2-enyl)-2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-yloxy]-(1,1,2-trimethyl-propyl)-silane

Guidance literature:: Multi-step reaction with 4 steps

1: imidazole, DMAP / dimethylformamide

2: 80 percent / aq. HCO₂H / diethyl ether / 0.5 h

3: pyridine / CH₂Cl₂ / 1.5 h / -15 °C

4: 1.) NaH, DMPU / 1.) THF, 0 deg C, 30 min, 2.) THF, 3 h

With pyridine; 1H-imidazole; dmap; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; formic acid; sodium hydride; In diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(96)00224-6