5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

Base Information

Chemical Name:5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin
CAS No.:1126481-82-0
Molecular Formula:C₄₃H₃₈O₆
Molecular Weight:652.76
Hs Code.:

Synonyms:5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

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Chemical Property of 5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

Chemical Property:

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Technology Process of 5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

There total 11 articles about 5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin 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: 44.0%

: 1126481-97-7
(2R)-5,6,3',4'-tetrakis(benzyloxy)[2-14C]flavan-3-one

: 1126481-82-0
5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

Guidance literature:: With L-Selectride; lithium bromide; In tetrahydrofuran; at -78 ℃; for 3h; regioselective reaction; Inert atmosphere;
DOI:10.1002/ejoc.200800886

Reference yield:

: (1S,2S)-3-[2,4-bis(benzyloxy)-6-hydroxyphenyl]-1-[3,4-bis(benzyloxy)phenyl][1-14C]propane-1,2-diol

: 1126481-82-0
5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

Guidance literature:: Multi-step reaction with 4 steps

1: pyridinium p-toluenesulfonate / dichloromethane / 4 h / 60 °C

2: methanol; potassium carbonate / dichloromethane / 18 h / 20 °C

3: Dess-Martin periodane / dichloromethane / 2 h / 20 °C

4: L-Selectride; lithium bromide / tetrahydrofuran / 3 h / -78 °C

With methanol; pyridinium p-toluenesulfonate; L-Selectride; potassium carbonate; Dess-Martin periodane; lithium bromide; In tetrahydrofuran; dichloromethane;
DOI:10.1002/jlcr.1773

Reference yield:

: 1126481-81-9
5,7,3',4'-tetra-O-benzyl[2-14C]catechin

: 1126481-82-0
5,7,3',4'-tetra-O-benzyl[2-14C]epicatechin

Guidance literature:: Multi-step reaction with 2 steps

1: Dess-Martin periodane / dichloromethane / 2 h / 20 °C

2: L-Selectride; lithium bromide / tetrahydrofuran / 3 h / -78 °C

With L-Selectride; Dess-Martin periodane; lithium bromide; In tetrahydrofuran; dichloromethane;
DOI:10.1002/jlcr.1773