(S)-4-methyl-benzenesulfinic acid propylideneamide

Base Information

• Chemical Name: (S)-4-methyl-benzenesulfinic acid propylideneamide
• CAS No.: 193979-96-3
• Molecular Formula: C₁₀H₁₃NOS
• Molecular Weight: 195.285

Synonyms:(S)-4-methyl-benzenesulfinic acid propylideneamide

Chemical Property of (S)-4-methyl-benzenesulfinic acid propylideneamide

Chemical Property:

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Technology Process of (S)-4-methyl-benzenesulfinic acid propylideneamide

There total 2 articles about (S)-4-methyl-benzenesulfinic acid propylideneamide 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: 84.0%

propionaldehyde (123-38-6) + (S)-p-toluenesulfinimide (188447-91-8) → (S)-4-methyl-benzenesulfinic acid propylideneamide (193979-96-3)

Guidance literature:

With ytterbium(III) triflate; In tetrahydrofuran; at 20 ℃; for 12h;

DOI:10.1021/jo048597e

Reference yield: 67.0%

(-)-menthyl p-toluenesulfinate (1517-82-4) + propionaldehyde (123-38-6) → (S)-4-methyl-benzenesulfinic acid propylideneamide (193979-96-3)

Guidance literature:

With lithium hexamethyldisilazane; at -78 ℃;

DOI:10.1016/S0040-4039(97)01095-2

Reference yield: 76.0%

(S)-4-methyl-benzenesulfinic acid propylideneamide (193979-96-3) + Lithium; (E)-2-bromo-1-methoxy-propen-1-olate → (2R,3S)-3-Ethyl-2-methyl-1-((S)-toluene-4-sulfinyl)-aziridine-2-carboxylic acid methyl ester (193979-97-4)

Guidance literature:

at -78 ℃;

DOI:10.1016/S0040-4039(97)01095-2

upstream raw materials:

(-)-menthyl p-toluenesulfinate

propionaldehyde

(S)-p-toluenesulfinimide

Downstream raw materials:

(2R,3S)-3-Ethyl-2-methyl-1-((S)-toluene-4-sulfinyl)-aziridine-2-carboxylic acid methyl ester

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