2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

Base Information

Chemical Name:2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester
CAS No.:887923-74-2
Molecular Formula:C₂₆H₃₆BrNO₃Si
Molecular Weight:518.566
Hs Code.:

2-bromomethyl-4-(<i>tert</i>-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid <i>tert</i>-butyl ester

Synonyms:2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

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Chemical Property of 2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

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Technology Process of 2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

There total 7 articles about 2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl 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: 85.0%

: 887923-73-1
(2S,4S)-tert-butyl 4-(tert-butyldiphenylsilyloxy)-2-(hydroxymethyl)pyrrolidine-1-carboxylate

: 887923-74-2
2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

Guidance literature:: With carbon tetrabromide; triphenylphosphine; In tetrahydrofuran; for 3h;
DOI:10.1246/cl.2006.300

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 887923-74-2
2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 6 steps

1.1: 95 percent / NaHCO₃ / dioxane; H₂O

2.1: 94 percent / DCHA / ethyl acetate; dimethylformamide

3.1: formic acid; DEAD; PPh₃ / tetrahydrofuran

3.2: 98 percent / aq. NH₃ / methanol; tetrahydrofuran / 6 h

4.1: 77 percent / imidazole; DIEA / dimethylformamide

5.1: 70 percent / NaBH₄; EtOH

6.1: 85 percent / CBr₄; PPh₃ / tetrahydrofuran / 3 h

With 1H-imidazole; sodium tetrahydroborate; formic acid; ethanol; carbon tetrabromide; sodium hydrogencarbonate; N-ethyl-N,N-diisopropylamine; N-cyclohexyl-cyclohexanamine; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; 1,4-dioxane; water; ethyl acetate; N,N-dimethyl-formamide; 3.1: Mitsunobu reaction;
DOI:10.1246/cl.2006.300

Reference yield:

: 37813-30-2
(2S,4R)-4-hydroxyproline-1,2-dicarboxylic acid 1-tert-butyl 2-ethyl ester

: 887923-74-2
2-bromomethyl-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: formic acid; DEAD; PPh₃ / tetrahydrofuran

1.2: 98 percent / aq. NH₃ / methanol; tetrahydrofuran / 6 h

2.1: 77 percent / imidazole; DIEA / dimethylformamide

3.1: 70 percent / NaBH₄; EtOH

4.1: 85 percent / CBr₄; PPh₃ / tetrahydrofuran / 3 h

With 1H-imidazole; sodium tetrahydroborate; formic acid; ethanol; carbon tetrabromide; N-ethyl-N,N-diisopropylamine; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; N,N-dimethyl-formamide; 1.1: Mitsunobu reaction;
DOI:10.1246/cl.2006.300