tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

Base Information

• Chemical Name: tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate
• CAS No.: 945467-31-2
• Molecular Formula: C₃₂H₄₂F₇NO₄Si
• Molecular Weight: 665.764

Synonyms:tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

Chemical Property of tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

Chemical Property:

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Technology Process of tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

There total 2 articles about tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate 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: 19.0%

tert-butyl (2R,3S,4R)-4-({1-[3,5-bis(trifluoromethyl)phenyl]vinyl}oxy)-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945467-30-1) → tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945467-31-2) + tert-butyl (2R,3S,4R)-4-{(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945467-80-1)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at -78 - 40 ℃; for 3.5h; Product distribution / selectivity;

Reference yield:

tert-butyl (2R,3S,4R)-4-{(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945467-80-1) → tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945467-31-2)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at 40 ℃; for 3h;

DOI:10.1016/j.bmc.2007.11.081

Reference yield:

tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945467-31-2) → tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-(hydroxymethyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate (945465-84-9)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃; for 2h;

DOI:10.1016/j.bmc.2007.11.081

upstream raw materials:

tert-butyl (2R,3S,4R)-4-({1-[3,5-bis(trifluoromethyl)phenyl]vinyl}oxy)-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

tert-butyl (2R,3S,4R)-4-{(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

Downstream raw materials:

tert-butyl (2R,3S,4R)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-(hydroxymethyl)-3-(4-fluorophenyl)pyrrolidine-1-carboxylate

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