(+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

Base Information

Chemical Name:(+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester
CAS No.:569682-64-0
Molecular Formula:C₂₃H₂₆N₂O₅S₂
Molecular Weight:474.602
Hs Code.:

Synonyms:(+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

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Chemical Property of (+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

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Technology Process of (+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

There total 4 articles about (+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic 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: 73.0%

: 29601-98-7
N-benzylhydroxylamine hydrochloride

: 569682-63-9
(-)-N-[2-(1,3-dioxo-1λ⁴,3λ⁴-dithian-2-ylidene)ethyl]-N-(2,2-dimethoxyethyl)carbamic acid benzyl ester

: 569682-64-0
(+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

Guidance literature:: (-)-N-[2-(1,3-dioxo-1λ⁴,3λ⁴-dithian-2-ylidene)ethyl]-N-(2,2-dimethoxyethyl)carbamic acid benzyl ester; With toluene-4-sulfonic acid; In acetone; at 60 ℃; for 3h;

N-benzylhydroxylamine hydrochloride; With sodium hydrogencarbonate; In acetone; at 20 ℃; for 16h; Further stages.;
DOI:10.1039/b212719a

Reference yield:

: 114790-39-5
benzyl N-(2,2-dimethoxyethyl)carbamate

: 569682-64-0
(+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: NaH / dimethylformamide / 25 °C

1.2: 72 percent / dimethylformamide / 15 h / 20 °C

2.1: O₃ / CH₂Cl₂ / 0.5 h / -78 °C

2.2: 60 percent / Me₂S / dimethylformamide / 3 h / 20 °C

3.1: 71 percent / LiOH*H₂O / tetrahydrofuran / 4 h / 70 °C

4.1: p-TsOH*H₂O / acetone / 3 h / 60 °C

4.2: 73 percent / NaHCO₃ / acetone / 16 h / 20 °C

With lithium hydroxide; sodium hydride; toluene-4-sulfonic acid; ozone; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; acetone; 3.1: Horner-Wadsworth-Emmons olefination;
DOI:10.1039/b212719a

Reference yield:

: 569682-62-8
N-(2,2-dimethoxyethyl)-N-(2-oxoethyl) carbamic acid benzyl ester

: 569682-64-0
(+)-[1'R,3'R]-1-benzyl-1',3'-dioxospiro[1',3'-dithiane-2',3-pyrrolo[3,4-c]isoxazole]-5-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 71 percent / LiOH*H₂O / tetrahydrofuran / 4 h / 70 °C

2.1: p-TsOH*H₂O / acetone / 3 h / 60 °C

2.2: 73 percent / NaHCO₃ / acetone / 16 h / 20 °C

With lithium hydroxide; toluene-4-sulfonic acid; In tetrahydrofuran; acetone; 1.1: Horner-Wadsworth-Emmons olefination;
DOI:10.1039/b212719a