(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

Base Information

Chemical Name:(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid
CAS No.:79705-33-2
Molecular Formula:C₃₀H₃₉Cl₃O₁₃
Molecular Weight:713.991
Hs Code.:

Synonyms:(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

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Chemical Property of (2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

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Technology Process of (2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

There total 8 articles about (2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid 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: 47.0%

: 55287-66-6
Acetic acid (2R,3S,4S,5R,6S)-4-acetoxy-2-acetoxymethyl-5-benzyloxy-6-chloro-tetrahydro-pyran-3-yl ester

: 70056-61-0
(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-α-L-rhamnopyranosid

: 79705-33-2
(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

Guidance literature:: calcium sulfate; silver perchlorate; silver carbonate; In dichloromethane; at 0 ℃; for 0.5h;

Reference yield:

: 79705-31-0
(2,2,2-Trichlorethyl)-2,3,4-tri-O-acetyl-α-L-rhamnopyranosid

: 79705-33-2
(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

Guidance literature:: Multi-step reaction with 3 steps

1: 1 N CH₃ONa / methanol / 0.33 h / Heating

2: 81 percent / CuSO₄ / 24 h

3: 47 percent / Ag₂CO₃, AgClO₄, drierite / CH₂Cl₂ / 0.5 h / 0 °C

With sodium methylate; calcium sulfate; silver perchlorate; copper(II) sulfate; silver carbonate; In methanol; dichloromethane;

Reference yield:

: 29741-67-1,30253-76-0,53872-77-8,72984-63-5,79733-81-6,80779-87-9,95403-48-8
1,3,4,6-Tetra-O-acetyl-2-O-benzyl-D-galactopyranose

: 79705-33-2
(2,2,2-Trichlorethyl)-2,3-O-isopropyliden-4-O-(3,4,6-tri-O-acetyl-2-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranosid

Guidance literature:: Multi-step reaction with 2 steps

1: 96 percent / TiBr₄ / CH₂Cl₂; ethyl acetate / 48 h / Ambient temperature; further reagent: HBr

2: 1) Hg(Br)2, molecular sieves 4 Angstroem / 1) CH₂Cl₂, r.t., 30 min, 2) CH₂Cl₂, r.t., 20 h

With 4 A molecular sieve; titanium(IV) bromide; mercury dibromide; In dichloromethane; ethyl acetate;