(2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

Base Information

Chemical Name:(2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester
CAS No.:1402412-88-7
Molecular Formula:C₁₇H₂₅F₂NO₃S
Molecular Weight:361.453
Hs Code.:

Synonyms:(2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

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Chemical Property of (2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

Chemical Property:

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Technology Process of (2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

There total 3 articles about (2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl 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:

: 349-43-9,127306-59-6
ethyl 2-fluoropropionate

: 1356108-79-6
(R)-2-methyl-propane-2-sulfinic acid [1-(2-fluoro-phenyl)-(E)-ethylidene]-amide

: 1402412-87-6
(2S,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

: 1402412-88-7
(2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

Guidance literature:: ethyl 2-fluoropropionate; With n-butyllithium; diisopropylamine; triisopropoxytitanium(IV) chloride; In tetrahydrofuran; hexane; at -75 - -7 ℃; for 2h; Inert atmosphere;

(R)-2-methyl-propane-2-sulfinic acid [1-(2-fluoro-phenyl)-(E)-ethylidene]-amide; In tetrahydrofuran; at -72 - -21 ℃; for 21h;

Reference yield:

: 349-43-9,127306-59-6
ethyl 2-fluoropropionate

: 1346145-50-3
(R)-2-methylpropane-2-sulfinic acid [1-(2-fluorophenyl)-(E)-ethylidene]amide

: 1402412-87-6
(2S,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

: 1402412-88-7
(2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

Guidance literature:: ethyl 2-fluoropropionate; With n-butyllithium; diisopropylamine; In tetrahydrofuran; hexane; at -75 ℃; for 0.666667h; Inert atmosphere;

With triisopropoxytitanium(IV) chloride; In tetrahydrofuran; hexane; at -72 ℃; for 0.666667h;

(R)-2-methylpropane-2-sulfinic acid [1-(2-fluorophenyl)-(E)-ethylidene]amide; In tetrahydrofuran; hexane; at -72 - -20 ℃; for 21h;

Reference yield:

: 445-27-2
2'-Fluoroacetophenone

: 1402412-87-6
(2S,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

: 1402412-88-7
(2R,3R)-2-fluoro-3-(2-fluoro-phenyl)-2-methyl-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: titanium(IV) tetraethanolate / tetrahydrofuran / 15 h / 50 °C / Inert atmosphere

2.1: diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 0.67 h / -75 °C / Inert atmosphere

2.2: 0.67 h / -72 °C

2.3: 21 h / -72 - -20 °C

With titanium(IV) tetraethanolate; n-butyllithium; diisopropylamine; In tetrahydrofuran; hexane;