(3R,4S)-1-(p-chlorobenzoyl)-3-<((R^*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone

Base Information

• Chemical Name: (3R,4S)-1-(p-chlorobenzoyl)-3-<((R^*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone
• CAS No.: 143843-04-3
• Molecular Formula: C₂₅H₃₂ClNO₃Si
• Molecular Weight: 458.072

Synonyms:(3R,4S)-1-(p-chlorobenzoyl)-3-<((R^*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone

Chemical Property of (3R,4S)-1-(p-chlorobenzoyl)-3-<((R^*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone

Chemical Property:

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Technology Process of (3R,4S)-1-(p-chlorobenzoyl)-3-<((R^*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone

There total 2 articles about (3R,4S)-1-(p-chlorobenzoyl)-3-<((R^*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone 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: 96.0%

4-chloro-benzoyl chloride (122-01-0) + (3R,4S)-3-triisopropylsilyloxy-4-phenylazetidin-2-one (132127-31-2) → (3R,4S)-1-(p-chlorobenzoyl)-3-<((R*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone (143843-04-3)

Guidance literature:

With dmap; triethylamine; In dichloromethane; for 0.75h;

DOI:10.1021/jm00100a031

Reference yield:

(1R,2S)-2-phenyl-1-cyclohexyl<(triisopropylsilyl)oxy>acetate (132127-27-6) → (3R,4S)-1-(p-chlorobenzoyl)-3-<((R*)-1'-ethoxyethyl)oxy>-4-phenyl-2-azetidinone (143843-04-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) LDA / 1.) THF, -78 deg C, 2 h, 2.) THF, a) -78 deg C, 4 h, b) RT, overnight

2: 96 percent / Et₃N, 4-(dimethylamino)pyridine / CH₂Cl₂ / 0.75 h

With dmap; triethylamine; lithium diisopropyl amide; In dichloromethane;

DOI:10.1021/jm00100a031

upstream raw materials:

4-chloro-benzoyl chloride

(3R,4S)-3-triisopropylsilyloxy-4-phenylazetidin-2-one

(1R,2S)-2-phenyl-1-cyclohexyl<(triisopropylsilyl)oxy>acetate

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