(4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

Base Information

Chemical Name:(4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate
CAS No.:1375693-06-3
Molecular Formula:C₄₇H₅₆BrFO₆
Molecular Weight:815.86
Hs Code.:

Synonyms:(4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

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Chemical Property of (4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

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Technology Process of (4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

There total 3 articles about (4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate 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: 69.4%

: 4940-39-0
acide chromone carboxylique-2

: 1375692-82-2
(4-bromo-2-fluorobenzyl) 3β-hydroxy-olean-12-en-30-oate

: 1375693-06-3
(4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

Guidance literature:: With dmap; dicyclohexyl-carbodiimide; In dichloromethane; at 0 - 20 ℃; Reflux;
DOI:10.1016/j.bmcl.2012.03.081

Reference yield:

: 6894-46-8,14796-53-3,17956-00-2,76035-62-6,564-16-9
11-deoxyglycyrrhetinic acid

: 1375693-06-3
(4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

Guidance literature:: Multi-step reaction with 2 steps

1: potassium carbonate / N,N-dimethyl-formamide / 20 °C

2: dmap; dicyclohexyl-carbodiimide / dichloromethane / 0 - 20 °C / Reflux

With dmap; potassium carbonate; dicyclohexyl-carbodiimide; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2012.03.081

Reference yield:

: 471-53-4
enoxolone

: 1375693-06-3
(4-bromo-2-fluorobenzyl) 3-O-(4-oxo-4H-1-benzopyran-2-carbonyl)-olean-12-en-30-oate

Guidance literature:: Multi-step reaction with 3 steps

1: platinum(IV) oxide; hydrogen / acetic acid

2: potassium carbonate / N,N-dimethyl-formamide / 20 °C

3: dmap; dicyclohexyl-carbodiimide / dichloromethane / 0 - 20 °C / Reflux

With dmap; platinum(IV) oxide; hydrogen; potassium carbonate; dicyclohexyl-carbodiimide; In dichloromethane; acetic acid; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2012.03.081