2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

Base Information

Chemical Name:2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide
CAS No.:88331-98-0
Molecular Formula:C₃₂H₃₅BrO₁₃
Molecular Weight:707.526
Hs Code.:

Synonyms:2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

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Chemical Property of 2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

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Technology Process of 2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

There total 6 articles about 2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide 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: 50.0%

: 88337-87-5
methyl 2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl-(1->3)-2,4-di-O-benzoyl-α-L-rhamnopyranoside

: 88331-98-0
2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

Guidance literature:: With dibromethyl methyl ether; zinc dibromide; In dichloromethane; 1.) -15 deg C, 15 h; 2.) 0 deg C, 5 h;
DOI:10.1016/0008-6215(83)88465-1

Reference yield:

: 88331-96-8
methyl 2,4-di-O-benzoyl-α-L-rhamnopyranoside

: 88331-98-0
2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

Guidance literature:: Multi-step reaction with 2 steps

1: 93 percent / mercuric cyanide, 4 A molecular sieve / CH₂Cl₂ / 1.) -80 deg C --> r.t., overnight

2: 50 percent / zinc bromide, dibromethyl methyl ether / CH₂Cl₂ / 1.) -15 deg C, 15 h; 2.) 0 deg C, 5 h

With dibromethyl methyl ether; 4 A molecular sieve; mercury(II) cyanide; zinc dibromide; In dichloromethane;
DOI:10.1016/0008-6215(83)88465-1

Reference yield:

: 98-88-4
benzoyl chloride

: 88331-98-0
2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide

Guidance literature:: Multi-step reaction with 3 steps

1: pyridine / 18 h / 0 °C

2: 93 percent / mercuric cyanide, 4 A molecular sieve / CH₂Cl₂ / 1.) -80 deg C --> r.t., overnight

3: 50 percent / zinc bromide, dibromethyl methyl ether / CH₂Cl₂ / 1.) -15 deg C, 15 h; 2.) 0 deg C, 5 h

With pyridine; dibromethyl methyl ether; 4 A molecular sieve; mercury(II) cyanide; zinc dibromide; In dichloromethane;
DOI:10.1016/0008-6215(83)88465-1