2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

Base Information

Chemical Name:2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester
CAS No.:189130-18-5
Molecular Formula:C₄₅H₆₈O₁₂Si
Molecular Weight:829.113
Hs Code.:

2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

Synonyms:2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

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Chemical Property of 2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

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Technology Process of 2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

There total 6 articles about 2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl 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%

: 109-92-2,25104-37-4
ethyl vinyl ether

: 2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-hydroxy-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

: 189130-18-5
2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

Guidance literature:: With pyridinium p-toluenesulfonate; In dichloromethane; for 3h; Ambient temperature;
DOI:10.1016/S0040-4039(97)00454-1

Reference yield:

: 3282-30-2
pivaloyl chloride

: 189130-18-5
2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 12 h / 5 °C

2: 96 percent / PPTS / CH₂Cl₂ / 3 h / Ambient temperature

With pyridinium p-toluenesulfonate; In dichloromethane;
DOI:10.1016/S0040-4039(97)00454-1

Reference yield:

: 189130-14-1
(1S,4S)-1-[(S)-2,2-Bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-7-oxa-bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid dimethyl ester

: 189130-18-5
2,2-Dimethyl-propionic acid (1R,2R,3S,4S,6R)-1-[(S)-2,2-bis-(4-methoxy-phenyl)-[1,3]dioxolan-4-yl]-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethyl-propionyloxymethyl)-6-(1-ethoxy-ethoxy)-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: Mg / methanol / 2 h / 0 °C

2: I₂, AgOCOCF₃ / 1,2-dimethoxy-ethane / 12 h

3: 60 percent / LiAlH₄ / diethyl ether / 3 h / Heating

4: 12 h / 5 °C

5: 96 percent / PPTS / CH₂Cl₂ / 3 h / Ambient temperature

With lithium aluminium tetrahydride; iodine; silver trifluoroacetate; pyridinium p-toluenesulfonate; magnesium; In methanol; 1,2-dimethoxyethane; diethyl ether; dichloromethane;
DOI:10.1016/S0040-4039(97)00454-1