Technology Process of (2R,3S,4S,5R,6R)-5-Acetoxy-3-((2R,3R,4R,5S,6R)-6-acetoxymethyl-3-azido-4-benzyloxy-5-methoxy-tetrahydro-pyran-2-yloxy)-6-(2-amino-ethoxy)-4-benzyloxy-tetrahydro-pyran-2-carboxylic acid methyl ester
There total 18 articles about (2R,3S,4S,5R,6R)-5-Acetoxy-3-((2R,3R,4R,5S,6R)-6-acetoxymethyl-3-azido-4-benzyloxy-5-methoxy-tetrahydro-pyran-2-yloxy)-6-(2-amino-ethoxy)-4-benzyloxy-tetrahydro-pyran-2-carboxylic acid methyl ester 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:
- Guidance literature:
-
Multi-step reaction with 11 steps
1: 61 percent / piperidine / acetic acid; tetrahydrofuran
2: Cs2CO3 / CH2Cl2
3: BF3*OEt2; MS4A / CH2Cl2
4: NaOMe
5: CSA; Me2C(OMe)2
6: DMAP; pyridine / CH2Cl2
7: H2O / acetic acid
8: TEMPO; NaClO; n-Bu4NCl / KBr
10: 80 percent / TBDMSOTf; MS4A / toluene
11: DBU / CH2Cl2
With
piperidine; pyridine; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; camphor-10-sulfonic acid; boron trifluoride diethyl etherate; t-butyldimethylsiyl triflate; tetrabutyl-ammonium chloride; water; sodium methylate; caesium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; 2,2-dimethoxy-propane;
potassium bromide;
In
tetrahydrofuran; dichloromethane; acetic acid; toluene;
1: Deacetylation / 2: Addition / 3: Condensation / 4: Deacetylation / 5: acetal formation / 6: Acetylation / 7: Hydrolysis / 8: Oxidation / 9: Esterification / 10: Condensation / 11: Elimination;
DOI:10.1016/S0040-4039(99)01084-9
- Guidance literature:
-
Multi-step reaction with 10 steps
1: Cs2CO3 / CH2Cl2
2: BF3*OEt2; MS4A / CH2Cl2
3: NaOMe
4: CSA; Me2C(OMe)2
5: DMAP; pyridine / CH2Cl2
6: H2O / acetic acid
7: TEMPO; NaClO; n-Bu4NCl / KBr
9: 80 percent / TBDMSOTf; MS4A / toluene
10: DBU / CH2Cl2
With
pyridine; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; camphor-10-sulfonic acid; boron trifluoride diethyl etherate; t-butyldimethylsiyl triflate; tetrabutyl-ammonium chloride; water; sodium methylate; caesium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; 2,2-dimethoxy-propane;
potassium bromide;
In
dichloromethane; acetic acid; toluene;
1: Addition / 2: Condensation / 3: Deacetylation / 4: acetal formation / 5: Acetylation / 6: Hydrolysis / 7: Oxidation / 8: Esterification / 9: Condensation / 10: Elimination;
DOI:10.1016/S0040-4039(99)01084-9
- Guidance literature:
-
Multi-step reaction with 9 steps
1: BF3*OEt2; MS4A / CH2Cl2
2: NaOMe
3: CSA; Me2C(OMe)2
4: DMAP; pyridine / CH2Cl2
5: H2O / acetic acid
6: TEMPO; NaClO; n-Bu4NCl / KBr
8: 80 percent / TBDMSOTf; MS4A / toluene
9: DBU / CH2Cl2
With
pyridine; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; camphor-10-sulfonic acid; boron trifluoride diethyl etherate; t-butyldimethylsiyl triflate; tetrabutyl-ammonium chloride; water; sodium methylate; 1,8-diazabicyclo[5.4.0]undec-7-ene; 2,2-dimethoxy-propane;
potassium bromide;
In
dichloromethane; acetic acid; toluene;
1: Condensation / 2: Deacetylation / 3: acetal formation / 4: Acetylation / 5: Hydrolysis / 6: Oxidation / 7: Esterification / 8: Condensation / 9: Elimination;
DOI:10.1016/S0040-4039(99)01084-9