O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

Base Information

Chemical Name:O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose
CAS No.:121947-65-7
Molecular Formula:C₅₆H₅₃NO₁₈
Molecular Weight:1028.03
Hs Code.:

O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

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Chemical Property of O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

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Technology Process of O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

There total 18 articles about O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose 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: 69.0%

: 67-56-1
methanol

: 122805-28-1,122873-12-5,122873-13-6,122873-17-0
O-(3-O-acetyl-2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

: 121947-65-7,122873-14-7
O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

: 122805-33-8,122873-18-1
C₅₇H₅₆O₂₀

Guidance literature:: With acetyl chloride; In chloroform; for 4h; Ambient temperature;
DOI:10.1016/0008-6215(89)85108-0

Reference yield: 6.0%

: 122805-28-1,122873-12-5,122873-13-6,122873-17-0
O-(3-O-acetyl-2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

: 121947-65-7,122873-14-7
O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

: 122805-33-8,122873-18-1
C₅₇H₅₆O₂₀

Guidance literature:: With acetyl chloride; In methanol; chloroform; for 4h; Ambient temperature;
DOI:10.1016/0008-6215(89)85108-0

Reference yield:

: 98-88-4
benzoyl chloride

: 121947-65-7,122873-14-7
O-(2,4-di-O-benzoyl-α-D-rhamnopyranosyl-(1->2)-O-(3,4-di-O-benzoyl-α-D-rhamnopyranosyl)-(1->3)-4-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-β-D-rhamnopyranose

Guidance literature:: Multi-step reaction with 5 steps

1: 77.5 percent / pyridine / CH₂Cl₂ / 0.25 h / 0 - 5 °C

2: 1.) mercuric cyanide, 2.) conc. sulfuric acid / 1.) acetonitrile, 16 h, 2.) 0 deg C, 1.5 h, RT, 2 h

3: HBr / CH₂Cl₂

4: 56 percent / mercuric cyanide, mercuric bromide / acetonitrile / 16 h

5: 69 percent / acetyl chloride / methanol; CHCl₃ / 4 h / Ambient temperature

With pyridine; sulfuric acid; hydrogen bromide; mercury(II) cyanide; acetyl chloride; mercury dibromide; In methanol; dichloromethane; chloroform; acetonitrile;
DOI:10.1016/0008-6215(89)85108-0