tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

Base Information

Chemical Name:tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate
CAS No.:1621435-28-6
Molecular Formula:C₂₉H₃₆N₂O₆
Molecular Weight:508.615
Hs Code.:

Synonyms:tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

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Chemical Property of tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

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Technology Process of tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

There total 12 articles about tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate 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%

: 1621435-13-9
tert-butyl 2-(((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl) carbamoyl)-2-(hydroxymethyl) pyrrolidine-1-carboxylate

: 1621435-28-6
tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

Guidance literature:: With di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; at 20 ℃; for 2h;

Reference yield:

: 1194030-71-1
2-((benzyloxy)methyl)-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid

: 1621435-28-6
tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: hydrogen; palladium 10% on activated carbon / methanol / 24 h / 20 °C

2: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine / dichloromethane / 16 h / 20 °C

3: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 2 h / 20 °C

With di-isopropyl azodicarboxylate; palladium 10% on activated carbon; hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane;

Reference yield:

: 1621435-12-8
1-(tert-butoxycarbonyl)-2-(hydroxymethyl)pyrrolidine-2-carboxylic acid

: 1621435-28-6
tert-butyl 2-((2S, 3R)-1, 3-bis (benzyloxy)-1-oxobutan-2-yl)-1-oxo-2, 5-diazaspiro [3.4] octane-5-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine / dichloromethane / 16 h / 20 °C

2: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 2 h / 20 °C

With di-isopropyl azodicarboxylate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; triphenylphosphine; In tetrahydrofuran; dichloromethane;