4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

Base Information

Chemical Name:4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid
CAS No.:88509-53-9
Molecular Formula:C₂₃H₂₇BrO₄
Molecular Weight:447.369
Hs Code.:

Synonyms:4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

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Chemical Property of 4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

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Technology Process of 4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

There total 2 articles about 4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid 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: 99.0%

: 88509-52-8
1-O-Acetyl-4-O-allyl-2,3-di-O-benzyl-α-L-rhamnopyranose

: 88509-53-9
4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

Guidance literature:: With titanium(IV) bromide; In dichloromethane; ethyl acetate; for 0.5h;
DOI:10.1016/0008-6215(83)88004-5

Reference yield:

: 67758-51-4
(2S,3S,4R,5R,6R)-3-Allyloxy-4,5,6-tris-benzyloxy-2-methyl-tetrahydro-pyran

: 88509-53-9
4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

Guidance literature:: Multi-step reaction with 2 steps

1: 65 percent / acetic acid, H₂SO₄ / 3 h / 45 °C

2: 99 percent / TiBr₄ / CH₂Cl₂; ethyl acetate / 0.5 h

With sulfuric acid; titanium(IV) bromide; acetic acid; In dichloromethane; ethyl acetate;
DOI:10.1016/0008-6215(83)88004-5

Reference yield:

: 88509-53-9
4-O-Allyl-2,3-di-O-benzyl-α-L-rhamnopyranosylbromid

: 88509-62-0
3-O-(4-O-Acetyl-2,3-di-O-benzyl-β-L-rhamnopyranosyl)-1,6-anhydro-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranose

Guidance literature:: Multi-step reaction with 3 steps

1: silver silicate, 4 Angstroem molecular sieves / CH₂Cl₂; toluene / -15 deg C, 10 h, RT, 15 h

2: sodium acetate / Pd/C / acetic acid; H₂O / 18 h / Ambient temperature

3: pyridine / 6 h

With pyridine; silver silicate; 4 A molecular sieve; sodium acetate; palladium on activated charcoal; In dichloromethane; water; acetic acid; toluene;
DOI:10.1016/0008-6215(83)88004-5