trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

Base Information

Chemical Name:trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one
CAS No.:114250-40-7
Molecular Formula:C₁₇H₁₈O₆
Molecular Weight:318.326
Hs Code.:

Synonyms:trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

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Chemical Property of trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

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Technology Process of trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

There total 5 articles about trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one 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: 68.0%

: 114250-38-3
trans-5-<<2-(acetyloxy)cyclohexyl>carbonyl>-2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yl phenylmethyl carbonate

: 114250-40-7
trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

Guidance literature:: With toluene-4-sulfonic acid; In methanol; for 24h; Heating;
DOI:10.1021/jm00402a032

Reference yield:

: 2144-45-8
dibenzyl peroxydicarbonate

: 114250-40-7
trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 81 percent / dimethylformamide / 1) 0 deg C, 30 min; 2) 1 h, room temperature

2: 1.) pyridine / 1) CH₂Cl₂, 30 min, room temperature; 2) CH₂Cl₂, 0 deg C, 1 h, room temperature, overnight

3: 68 percent / p-TsOH / methanol / 24 h / Heating

With pyridine; toluene-4-sulfonic acid; In methanol; N,N-dimethyl-formamide;
DOI:10.1021/jm00402a032

Reference yield:

: 114250-44-1
trans-2-(acetyloxy)-1-cyclohexanecarboxylic acid

: 114250-40-7
trans-4a,5,6,7,8,8a-hexahydro-3-<<(phenylmethoxy)carbonyl>oxy>-4-hydroxy-2H-1-benzopyran-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 86 percent / oxalyl chloride / CH₂Cl₂ / 1) 0 deg C, 30 min; 2) 3 h, room temperature

2: 1.) pyridine / 1) CH₂Cl₂, 30 min, room temperature; 2) CH₂Cl₂, 0 deg C, 1 h, room temperature, overnight

3: 68 percent / p-TsOH / methanol / 24 h / Heating

With pyridine; oxalyl dichloride; toluene-4-sulfonic acid; In methanol; dichloromethane;
DOI:10.1021/jm00402a032