(1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

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Chemical Name:(1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester
CAS No.:203449-38-1
Molecular Formula:C₅₄H₆₉NO₆SSi
Molecular Weight:888.296
Hs Code.:

(1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

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Chemical Property of (1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

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Technology Process of (1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

There total 3 articles about (1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl 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: 78.0%

: 174757-25-6
5-Oxo-cyclopent-1-enecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

: 203449-37-0
(5-Bromo-4,4-dimethyl-hex-5-enyloxy)-tert-butyl-diphenyl-silane

: 203449-38-1
(1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

Guidance literature:: With copper(I) bromide dimethylsulfide complex; boron trifluoride diethyl etherate; tert.-butyl lithium; magnesium bromide;
DOI:10.1002/hlca.19980810105

Reference yield:

: 203449-34-7
5-t-butyldiphenylsilanyloxy-2,2-dimethylpentanal

: 203449-38-1
(1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

Guidance literature:: Multi-step reaction with 3 steps

2: B-bromo-9-borabicyclo<3.3.1>nonane

3: 78 percent / t-BuLi, MgBr₂*Et₂O, CuBr*Me₂S, BF₃*Et₂O

With copper(I) bromide dimethylsulfide complex; boron trifluoride diethyl etherate; tert.-butyl lithium; 9-bromo-9-bora-bicyclo[3.3.1]nonane; magnesium bromide;
DOI:10.1002/hlca.19980810105

Reference yield:

: 203449-35-8
tert-Butyl-(4,4-dimethyl-hex-5-ynyloxy)-diphenyl-silane

: 203449-38-1
(1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1: B-bromo-9-borabicyclo<3.3.1>nonane

2: 78 percent / t-BuLi, MgBr₂*Et₂O, CuBr*Me₂S, BF₃*Et₂O

With copper(I) bromide dimethylsulfide complex; boron trifluoride diethyl etherate; tert.-butyl lithium; 9-bromo-9-bora-bicyclo[3.3.1]nonane; magnesium bromide;
DOI:10.1002/hlca.19980810105