ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

Base Information

Chemical Name:ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside
CAS No.:864815-46-3
Molecular Formula:C₂₂H₂₅ClO₄S
Molecular Weight:420.957
Hs Code.:

Synonyms:ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

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Chemical Property of ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

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Technology Process of ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

There total 3 articles about ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside 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: 91.0%

: Benzoic acid (4R,5S,6S)-2-acetoxy-5-benzyloxy-3-chloro-6-methyl-tetrahydro-pyran-4-yl ester

: 75-08-1
ethanethiol

: 864815-46-3
ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

Guidance literature:: With 3 A molecular sieve; boron trifluoride diethyl etherate; In dichloromethane; for 2h;
DOI:10.1039/b416106h

Reference yield:

: Benzoic acid (2S,3S,4R)-3-benzyloxy-5,6-dichloro-2-methyl-tetrahydro-pyran-4-yl ester

: 864815-46-3
ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 1.99 g / AgOAc / 12 h / 20 °C

2: 91 percent / 3 Angstroem molecular sieves; BF₃*OEt₂ / CH₂Cl₂ / 2 h

With 3 A molecular sieve; boron trifluoride diethyl etherate; silver(I) acetate; In dichloromethane; 1: Koenig-Knorr glycosylation;
DOI:10.1039/b416106h

Reference yield:

: 148164-03-8
1,5-anhydro-3-O-benzoyl-4-O-benzyl-2,6-dideoxy-L-arabino-hex-1-enitol

: 864815-46-3
ethyl 3-O-benzoyl-4-O-benzyl-2-chloro-2-deoxy-1-thio-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: Cl₂ / CCl₄ / -10 °C

2: 1.99 g / AgOAc / 12 h / 20 °C

3: 91 percent / 3 Angstroem molecular sieves; BF₃*OEt₂ / CH₂Cl₂ / 2 h

With 3 A molecular sieve; boron trifluoride diethyl etherate; silver(I) acetate; chlorine; In tetrachloromethane; dichloromethane; 2: Koenig-Knorr glycosylation;
DOI:10.1039/b416106h