Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

Base Information

Chemical Name:Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide
CAS No.:157160-69-5
Molecular Formula:C₂₁H₁₈N₂O₄S
Molecular Weight:394.451
Hs Code.:

Synonyms:Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

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Chemical Property of Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

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Technology Process of Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

There total 3 articles about Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide 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: 90.0%

: 93-11-8
2-Naphthalenesulfonyl chloride

: 157160-64-0
(S)-2-benzyl-4-carboxyamido-2-oxazoline

: 157160-69-5
Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

Guidance literature:: With pyridine; at 75 ℃; for 3h;
DOI:10.1016/S0040-4020(01)90418-1

Reference yield:

: 39496-45-2
methyl imini ester hydrochloride of phenylacetic acid

: 157160-69-5
Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

Guidance literature:: Multi-step reaction with 3 steps

1: 85 percent / Et₃N / CH₂Cl₂ / 0 deg C, 2 h and room t, 24 h

2: 80 percent / NH₃ / methanol / Ambient temperature

3: 90 percent / pyridine / 3 h / 75 °C

With pyridine; ammonia; triethylamine; In methanol; dichloromethane;
DOI:10.1016/S0040-4020(01)90418-1

Reference yield:

: 157160-61-7
(S)-2-benzyl-2-oxazoline-4-carboxylic acid methyl ester

: 157160-69-5
Naphthalene-2-sulfonic acid ((S)-2-benzyl-4,5-dihydro-oxazole-4-carbonyl)-amide

Guidance literature:: Multi-step reaction with 2 steps

1: 80 percent / NH₃ / methanol / Ambient temperature

2: 90 percent / pyridine / 3 h / 75 °C

With pyridine; ammonia; In methanol;
DOI:10.1016/S0040-4020(01)90418-1