2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

Base Information

Chemical Name:2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester
CAS No.:640722-83-4
Molecular Formula:C₂₉H₂₆N₂O₅
Molecular Weight:482.536
Hs Code.:

2-[1-(9<i>H</i>-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

Synonyms:2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

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Chemical Property of 2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

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Technology Process of 2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

There total 3 articles about 2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl 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: 84.0%

: 640722-90-3
(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-propionylamino]-3-oxo-butyric acid benzyl ester

: 640722-83-4
2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

Guidance literature:: With trifluoromethanesulfonic acid anhydride; Triphenylphosphine oxide; In dichloromethane; at -20 ℃; for 2h;
DOI:10.1021/jo0302657

Reference yield:

: 35661-38-2,35661-39-3,79990-15-1,136132-75-7
N-(9-fluorenylmethoxycarbonyl)-D-alanine

: 640722-83-4
2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: HOBt*H₂O; HBTU / dimethylformamide / 0.17 h

1.2: 85 percent / DIEA / dimethylformamide / 8 h / 25 °C

2.1: 80 percent / Des-Martin periodinane / CH₂Cl₂ / 1 h / 25 °C

3.1: 84 percent / Ph₃PO; trifluoromethanesulfonic anhydride / CH₂Cl₂ / 2 h / -20 °C

With benzotriazol-1-ol; Dess-Martin periodane; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; trifluoromethanesulfonic acid anhydride; Triphenylphosphine oxide; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jo0302657

Reference yield:

: 640722-89-0
(2S,3R)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-propionylamino]-3-hydroxy-butyric acid benzyl ester

: 640722-83-4
2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-ethyl]-5-methyl-oxazole-4-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 80 percent / Des-Martin periodinane / CH₂Cl₂ / 1 h / 25 °C

2: 84 percent / Ph₃PO; trifluoromethanesulfonic anhydride / CH₂Cl₂ / 2 h / -20 °C

With Dess-Martin periodane; trifluoromethanesulfonic acid anhydride; Triphenylphosphine oxide; In dichloromethane;
DOI:10.1021/jo0302657