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.:120308-63-6
Molecular Formula:C₅₈H₆₇NO₁₄S
Molecular Weight:1034.23
Hs Code.:

O-<methyl(5-acetamido-4,7,8,9-tetra-O-benzyl-3,5-dideoxy-3-phenylthio-D-erythro-β-L-gluco-2-nonulopyranosyl)onate>-(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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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 13 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%

: 120308-51-2
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

: 4064-06-6
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
O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

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:

: 120308-51-2,120308-62-5
(3S,4R,5S,6R)-5-Acetylamino-4-benzyloxy-2-fluoro-3-phenylsulfanyl-6-((1S,2R)-1,2,3-tris-benzyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester

: 4064-06-6
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
O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

Guidance literature:: With 4 A molecular sieve; silver trifluoromethanesulfonate; tin(ll) chloride; In diethyl ether; at 20 ℃; for 18h; Yield given. Yields of byproduct given;
DOI:10.1016/S0040-4039(00)80400-1

Reference yield:

: 116096-63-0
methyl 5-acetamido-4,7,8,9-tetra-O-benzyl-2,3-dehydro-3,5-dideoxy-D-glycero-D-galacto-2-nonulopyranosonate

: 120308-63-6
O--(2->6)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose

Guidance literature:: Multi-step reaction with 5 steps

1: NBS / acetonitrile / 60 °C

2: t-BuOK / tetrahydrofuran; 2-methyl-propan-2-ol / 20 °C

3: DBU / toluene / 20 °C

4: 96 percent / DAST / 1,2-dichloro-ethane; toluene / from -40 deg C to 0 deg C

5: AgOTf, SnCl₂, molecular sieves 4A / CCl₄ / 18 h / 20 °C

With N-Bromosuccinimide; 4 A molecular sieve; potassium tert-butylate; silver trifluoromethanesulfonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; 4,4'-diaminostilbene-2,2'-disulfonic acid; tin(ll) chloride; In tetrahydrofuran; tetrachloromethane; 1,2-dichloro-ethane; toluene; acetonitrile; tert-butyl alcohol;
DOI:10.1016/S0040-4039(00)80400-1