O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

Base Information

• Chemical Name: O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose
• CAS No.: 120308-58-9
• Molecular Formula: C₅₈H₆₇NO₁₄S
• Molecular Weight: 1034.23

Synonyms:O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

Chemical Property of O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

Chemical Property:

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Technology Process of O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

There total 15 articles about O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose 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: 72.0%

(3S,4R,5S,6R)-5-Acetylamino-4-benzyloxy-2-bromo-3-phenylsulfanyl-6-((1S,2R)-1,2,3-tris-benzyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester (120308-53-4) + 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose (4064-06-6) → O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose (120308-58-9)

Guidance literature:

With 4 A molecular sieve; mercury(II) cyanide; mercury dibromide; In tetrachloromethane; at 20 ℃; for 18h;

DOI:10.1016/S0040-4039(00)80400-1

Reference yield: 72.0%

methyl 5-acetamido-4,7,8,9-tetra-O-benzyl-2,3,5-trideoxy-2-fluoro-3-phenylthio-D-erythro-α-L-gluco-2-nonulopyranosonate (120308-51-2) + 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose (4064-06-6) → O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose (120308-63-6) + O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose (120308-58-9)

Guidance literature:

With silver trifluoromethanesulfonate; tin(ll) chloride; In tetrachloromethane; for 18h; Ambient temperature; molecular sieves;

DOI:10.1016/S0040-4020(01)97586-6

Reference yield: 52.0%

(3S,4R,5S,6R)-5-Acetylamino-4-benzyloxy-2-chloro-3-phenylsulfanyl-6-((1S,2R)-1,2,3-tris-benzyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester (120308-52-3) + 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose (4064-06-6) → O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose (120308-58-9)

Guidance literature:

With 4 A molecular sieve; silver trifluoromethanesulfonate; In tetrachloromethane; at 20 ℃; for 18h;

DOI:10.1016/S0040-4039(00)80400-1

upstream raw materials:

methyl 5-acetamido-4,7,8,9-tetra-O-benzyl-2,3,5-trideoxy-2-fluoro-3-phenylthio-D-erythro-α-L-gluco-2-nonulopyranosonate

1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

(3S,4R,5S,6R)-5-Acetylamino-4-benzyloxy-2-chloro-3-phenylsulfanyl-6-((1S,2R)-1,2,3-tris-benzyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester

(3S,4R,5S,6R)-5-Acetylamino-4-benzyloxy-2-bromo-3-phenylsulfanyl-6-((1S,2R)-1,2,3-tris-benzyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester

Downstream raw materials:

O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

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