ChemicalBook CAS DataBase List PROCYANIDIN B2

PROCYANIDIN B2 synthesis

5synthesis methods

Product Name:PROCYANIDIN B2
CAS Number:29106-49-8
Molecular formula:C30H26O12
Molecular Weight:578.52

490-46-0
466 suppliers
$5.00/50mg

29106-49-8
236 suppliers
$28.00/500μg

Yield:-

Steps:

Multi-step reaction with 5 steps
1.1: 82 percent / K₂CO₃ / dimethylformamide / 0 - 20 °C
2.1: DDQ / CH₂Cl₂ / 3 h / 20 °C
2.2: 63 percent / DMAP / CH₂Cl₂ / 0.33 h
3.1: 99 percent / N-bromosuccinimide / CH₂Cl₂ / -78 - 20 °C
4.1: 43 percent / TiCl₄ / CH₂Cl₂; tetrahydrofuran / 3 h / 20 °C
5.1: 99 percent / H₂; Et₃N; NaHCO₃ / Pd(OH)2/C / H₂O; methanol; ethyl acetate / 18 h / 20 °C

References:

Tarascou, Isabelle;Barathieu, Karine;Andre, Yann;Pianet, Isabelle;Dufourc, Erick J.;Fouquet, Eric [European Journal of Organic Chemistry,2006,# 23,p. 5367 - 5377]

5,7,3'',4''-Tetra-O-benzylepicatechin-4β→8-5,7,3'',4''-tetra-O-benzylepicatechin

223387-28-8
3 suppliers
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29106-49-8
236 suppliers
$28.00/500μg

References

87292-49-7 Synthesis

87292-49-7
4 suppliers
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29106-49-8
236 suppliers
$28.00/500μg

References

20728-73-8 Synthesis

(2R-trans)-2-[3,4-bis(phenylmethoxy)phenyl]-3,4-dihydro-5,7-bis(phenylmethoxy)-2H-1-benzopyran-3-ol

20728-73-8
16 suppliers
$165.00/100mg

29106-49-8
236 suppliers
$28.00/500μg

References

5,7,3'',4''-Tetra-O-benzyl-4-(2-hydroxyethoxy)-(-)-epicatechin

256236-25-6
2 suppliers
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29106-49-8
236 suppliers
$28.00/500μg

References

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PROCYANIDIN B2 synthesis

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