5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

Base Information

Chemical Name:5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester
CAS No.:118248-77-4
Molecular Formula:C₂₇H₃₃NO₅
Molecular Weight:451.563
Hs Code.:

Synonyms:5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

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Chemical Property of 5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

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Technology Process of 5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

There total 6 articles about 5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl 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:

: 118269-65-1
3-(2'-hydroxyethyl)-3-(3'-butenyl)-4-methylazetidin-2-one

: 118248-77-4
5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: PPh₃/DEAD

2: 1.) O₃, 2.) Me₂S / 1.) MeOH, -78 deg C, 2.) -78 deg C to room temp.

3: Jones reagent (8N) / acetone / 0 °C

4: 1.) N,N'-carbonyldiimidazole / 1.) THF, room temp.

With dimethylsulfide; Jones reagent (8N); ozone; triphenylphosphine; 1,1'-carbonyldiimidazole; diethylazodicarboxylate; In acetone;
DOI:10.1021/ja00185a043

Reference yield:

: 118248-73-0
(3S,4R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-3-but-3-enyl-4-methyl-azetidin-2-one

: 118248-77-4
5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) O₃, 2.) Me₂S / 1.) MeOH, -78 deg C, 2.) -78 deg C to room temp.

2: Jones reagent (8N) / acetone / 0 °C

3: 1.) N,N'-carbonyldiimidazole / 1.) THF, room temp.

With dimethylsulfide; Jones reagent (8N); ozone; 1,1'-carbonyldiimidazole; In acetone;
DOI:10.1021/ja00185a043

Reference yield:

: 118248-71-8
(3RS,4RS)-3-<2'-<(tert-butyldimethylsilyl)oxy>ethyl>-4-methyl-1-(tert-butyldimethylsilyl)azetidin-2-one

: 118248-77-4
5-{(2S,3R)-3-[2-(Biphenyl-4-yloxy)-ethyl]-2-methyl-4-oxo-azetidin-3-yl}-3-oxo-pentanoic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) n-BuLi, diethylamine, 2.) HMPA / 1.) THF, hexane, -78 deg C, 15 min, 2.) -78 deg C, 30 min

2: 50 percent / tetra n-butylammonium fluoride trihydrate / tetrahydrofuran / Ambient temperature

3: PPh₃/DEAD

4: 1.) O₃, 2.) Me₂S / 1.) MeOH, -78 deg C, 2.) -78 deg C to room temp.

5: Jones reagent (8N) / acetone / 0 °C

6: 1.) N,N'-carbonyldiimidazole / 1.) THF, room temp.

With N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; dimethylsulfide; Jones reagent (8N); tetrabutyl ammonium fluoride; ozone; diethylamine; triphenylphosphine; 1,1'-carbonyldiimidazole; diethylazodicarboxylate; In tetrahydrofuran; acetone;
DOI:10.1021/ja00185a043