toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester

Base Information

• Chemical Name: toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester
• CAS No.: 1058159-93-5
• Molecular Formula: C₁₁H₁₄N₂O₄S
• Molecular Weight: 270.309

Synonyms:toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester

Chemical Property of toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester

Chemical Property:

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Technology Process of toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester

There total 1 articles about toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl 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: 48.0%

sodium cyanamide (19981-17-0,20611-81-8,123092-13-7,17292-62-5) + (S)-Glycidyl tosylate (70987-78-9,6746-81-2) → toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester (1058159-93-5)

Guidance literature:

In methanol; at 20 ℃;

Reference yield: 50.0%

toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester (1058159-93-5) + 4-(2-fluoroethoxy)but-2-ynoic acid methyl ester (1279015-75-6) → toluene-4-sulfonic acid (S)-5-(2-fluoroethoxymethyl)-7-oxo-2,3-dihydro-7H-oxazolo[3,2-a]pyrimidin-2-ylmethyl ester (1279015-76-7)

Guidance literature:

In ethanol; at 85 ℃; for 3h;

Reference yield: 50.0%

ethyl 4-methoxy-2-butynoate (299184-99-9) + toluene-4-sulfonic acid (S)-2-amino-4,5-dihydro-oxazolo-5-ylmethyl ester (1058159-93-5) → toluene-4-sulfonic acid (S)-5-methoxymethyl-7-oxo-2,3-dihydro-7H-oxazolo[3,2-a]pyrimidin-2-ylmethyl ester (1279015-45-0)

Guidance literature:

In ethanol; for 3h; Reflux;

upstream raw materials:

sodium cyanamide

(S)-Glycidyl tosylate

Downstream raw materials:

toluene-4-sulfonic acid (S)-7-oxo-2,3-dihydro-7H-oxazolo[3,2-a]pyrimidin-2-ylmethyl ester

(S)-5-(3-iodo-phenoxymethyl)-oxazolidin-2-ylideneamine

toluene-4-sulfonic acid (S)-7-oxo-5-phenyl-2,3-dihydro-7H-oxazolo[3,2-a]pyrimidin-2-ylmethyl ester

toluene-4-sulfonic acid (S)-7-oxo-5-(tetrahydro-pyran-2-yloxymethyl)-2,3-dihydro-7H-oxazolo[3,2-a]pyrimidin-2-ylmethyl ester

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