[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

Base Information

Chemical Name:[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester
CAS No.:953780-65-9
Molecular Formula:C₂₇H₃₃NO₁₀S
Molecular Weight:563.626
Hs Code.:

Synonyms:[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

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Chemical Property of [(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

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Technology Process of [(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

There total 4 articles about [(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic 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: 71.0%

: 953780-64-8
[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2,3-dihydroxypropyl]cyclopentyl]carbamic acid benzyl ester

: 98-59-9
p-toluenesulfonyl chloride

: 953780-65-9
[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

Guidance literature:: With pyridine; In dichloromethane; for 96h;
DOI:10.1016/j.carres.2007.07.003

Reference yield:

: 953780-59-1
(1R)-1-[(S)-acetoxy-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-2-oxocyclopentane carboxylic acid benzyl ester

: 953780-65-9
[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: NaBH₄ / methanol

1.2: 71 percent / pyridine / CH₂Cl₂

2.1: H₂ / Pd/C / methanol / 10 h / 20 °C

2.2: DPPA; Et₃N / toluene / 2 h / Heating

2.3: 70 percent / toluene / 12 h / Heating

3.1: 77 percent / aq. AcOH / 0.17 h / Heating

4.1: 71 percent / pyridine / CH₂Cl₂ / 96 h

With pyridine; sodium tetrahydroborate; hydrogen; acetic acid; palladium on activated charcoal; In methanol; dichloromethane; 2.2: Curtius rearrangement;
DOI:10.1016/j.carres.2007.07.003

Reference yield:

: 953780-61-5
(1S,2R)-2-acetoxy-1-[(S)-acetoxy-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]cyclopentane carboxylic acid benzyl ester

: 953780-65-9
[(1S,2R)-2-acetoxy-1-[(1S,2R)-1-acetoxy-2-hydroxy-3-(toluene-4-sulfonyloxy)propyl]cyclopentyl]carbamic acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: H₂ / Pd/C / methanol / 10 h / 20 °C

1.2: DPPA; Et₃N / toluene / 2 h / Heating

1.3: 70 percent / toluene / 12 h / Heating

2.1: 77 percent / aq. AcOH / 0.17 h / Heating

3.1: 71 percent / pyridine / CH₂Cl₂ / 96 h

With pyridine; hydrogen; acetic acid; palladium on activated charcoal; In methanol; dichloromethane; 1.2: Curtius rearrangement;
DOI:10.1016/j.carres.2007.07.003