(3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid

Base Information

• Chemical Name: (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid
• CAS No.: 171868-39-6
• Molecular Formula: C₂₄H₂₈ClNO₆
• Molecular Weight: 461.942

Synonyms:(3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid

Chemical Property of (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid

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Technology Process of (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid

There total 14 articles about (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid 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: 94.0%

[(3R,5S)-7-Chloro-5-(2,3-dimethoxy-phenyl)-1-(2,2-dimethyl-propyl)-2-oxo-1,2,3,5-tetrahydro-benzo[e][1,4]oxazepin-3-yl]-acetic acid ethyl ester (177567-40-7) → (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid (171868-39-6)

Guidance literature:

With sodium hydroxide; In ethanol; at 60 ℃; for 0.5h;

DOI:10.1248/cpb.50.59

Reference yield: 73.0%

[(3R,5S)-7-Chloro-5-(2,3-dimethoxy-phenyl)-1-(2,2-dimethyl-propyl)-2-oxo-1,2,3,5-tetrahydro-benzo[e][1,4]oxazepin-3-yl]-acetic acid methyl ester → (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid (171868-39-6)

Guidance literature:

With water; potassium carbonate; In methanol; for 2h; Heating;

DOI:10.1016/S0968-0896(01)00290-5

Reference yield: 37.0%

ethyl (3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1-neopentyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-acetate → (3R,5S)-(-)-(3,5-trans)-7-chloro-5-(2,3-dimethoxyphenyl)-1,2,3,5-tetrahydro-1-neopentyl-2-oxo-4,1-benzoxazepine-3-acetic acid (171868-39-6)

Guidance literature:

With casein medium; Pseudomonas taetrolens IFO 12691; In dimethyl sulfoxide; at 28 ℃; for 48h;

DOI:10.1248/cpb.50.59

upstream raw materials:

methyl N-[(3R,5S)-7-chloro-5-(2,3-dimethoxyphenyl)-1-neopentyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-acetyl]-L-leucinate

[(3R,5S)-7-Chloro-5-(2,3-dimethoxy-phenyl)-1-(2,2-dimethyl-propyl)-2-oxo-1,2,3,5-tetrahydro-benzo[e][1,4]oxazepin-3-yl]-acetic acid ethyl ester

pivalaldehyde

(-)-2-amino-5-chloro-α-(2,3-dimethoxyphenyl)benzyl alcohol

Downstream raw materials:

2-[(3R,5S)-7-chloro-5-(2,3-dimethoxyphenyl)-1-(2,2-dimethylpropyl)-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetamide

N-[[(3R,5S)-7-chloro-5-(2,3-dimethoxyphenyl)-1-neopentyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetyl]-D-leucine methyl ester

tert-butyl (2R)-2-[[(3R,5S)-7-chloro-5-(2,3-dimethoxyphenyl)-1-neopentyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetyl]aminopropionate

methyl 4-[[(3R,5S)-7-chloro-5-(2,3-dimethoxyphenyl)-1-neopentyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetyl]aminobutanoate

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