Xi'an Xszo Chem Co., Ltd.
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:68733-20-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryZhuozhou Wenxi import and Export Co., Ltd
WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:68733-20-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryShanghai Upbio Tech Co.,Ltd
1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:68733-20-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co., Ltd.
Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou J&H Chemical Co., Ltd.
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryTAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:68733-20-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryHenan Allgreen Chemical Co.,Ltd
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiryAntimex Chemical Limied
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBOC Sciences
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:light yellow liquid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as pr
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryHangzhou Fandachem Co.,Ltd
1,3,4,6-TETRA-O-ACETYL-2-AZIDO-2-DEOXY-A-D-MANNOPYRANOSECASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Other
inquiryZHEJIANG JIUZHOU CHEM CO.,LTD
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryHebei youze Biotechnology Co.,Ltd
1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment terms accepted (Btc;MoneyGram;WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery (3-10 DAYS fast deli
Cas:68733-20-0
Min.Order:1 Kilogram
FOB Price: $11.0 / 15.0
Type:Trading Company
inquiryShanghai Run-Biotech Co., Ltd.
Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryBeijing Jin Ming Biotechnology Co., Ltd.
Has its own laboratory, R & D and production, spot Package:100mg Application:As an auxiliary additive, used as medicine, food fine chemical industry
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryNovaChemistry
high purity Application:Drug intermediates Materials intermediates and active molecules
Cas:68733-20-0
Min.Order:0
Negotiable
Type:Trading Company
inquirySynthetic route
-
-
108-24-7
acetic anhydride
-
-
115945-97-6
methyl 3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-mannopyranoside
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With sulfuric acid at 0℃; for 1h; | 92% |
-
-
108-24-7
acetic anhydride
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With sulfuric acid at 20℃; for 2h; | 82% |
-
-
108-24-7
acetic anhydride
-
-
116003-78-2
Methyl 2-azido-2-deoxy-4,6-O-(phenylmethylene)-α-D-mannopyranoside
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With sulfuric acid at 20℃; for 2.5h; | 78% |
| With sulfuric acid at 20℃; for 0.666667h; | 75% |
-
-
1600-27-7
mercury(II) diacetate
-
-
2873-29-2
D-glucal triacetate
-
A
-
56883-33-1
2-azido-2-deoxy-3,4,6-tri-O-acetyl-α-D-glucopyranosyl acetate
-
B
-
80321-89-7
1,3,4,6-Tetra-O-acetyl-2-azido-2-deoxy-β-D-glucopyranose
-
D
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With chlorine azide In tetrachloromethane at 0℃; for 1h; Product distribution; Irradiation; other halogen-azide, in other solvents under irradiation or in the dark, various time and temperature; | A 9% B 62% C 8% D 11% |
| With chlorine azide 1.) CCl4, irrad., 0 deg C, 1 h; 2.) glacial acetic acid, room temp.; Yield given. Multistep reaction; | A n/a B 62% C 8% D 11% |
| With chlorine azide 1.) CCl4, irrad., 0 deg C, 1 h; 2.) glacial acetic acid, room temp.; Yield given. Multistep reaction; | A 9% B 62% C 8% D n/a |
| With chlorine azide 1.) CCl4, irrad., 0 deg C, 1 h, 2.) glacial acetic acid, room temp.; Yield given. Multistep reaction; | A 9% B n/a C 8% D 11% |
-
-
113544-40-4
1,3,4,6-tetra-O-acetyl-2-O-trifluoromethanesulfonyl-α-D-glucopyranose
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With sodium azide In N,N-dimethyl-formamide at 60℃; for 0.5h; | 58% |
| With sodium azide In N,N-dimethyl-formamide | 20% |
| With sodium azide In N,N-dimethyl-formamide at 60℃; for 5h; | 10% |
-
-
127-09-3
sodium acetate
-
-
668481-16-1
Acetic acid (2R,3S,4R)-4-acetoxy-2-acetoxymethyl-5-azido-6-nitrooxy-tetrahydro-pyran-3-yl ester
-
A
-
56883-33-1
2-azido-2-deoxy-3,4,6-tri-O-acetyl-α-D-glucopyranosyl acetate
-
B
-
80321-89-7
1,3,4,6-Tetra-O-acetyl-2-azido-2-deoxy-β-D-glucopyranose
-
C
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| In acetic acid at 100℃; for 1h; | A n/a B n/a C 17% |
-
-
127-09-3
sodium acetate
-
-
2873-29-2
D-glucal triacetate
-
A
-
56883-33-1
2-azido-2-deoxy-3,4,6-tri-O-acetyl-α-D-glucopyranosyl acetate
-
B
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With sodium azide; ammonium cerium(IV) nitrate 1.) EtOAc, CH3CN, -40 deg C, 6 d; 2.) glacial acetic acid, 100 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given; |
-
-
127-09-3
sodium acetate
-
-
2873-29-2
D-glucal triacetate
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With sodium azide; ammonium cerium(IV) nitrate 1.) acetonitrile, ethylacetate, -40 deg C; Yield given. Multistep reaction; |
-
-
4692-12-0
1,3,4,6-tetra-O-acetyl glucopyranose
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 97 percent / pyridine / CH2Cl2 / 1 h / -20 °C 2: 58 percent / NaN3 / dimethylformamide / 0.5 h / 60 °C View Scheme | |
| Multi-step reaction with 2 steps 1: 66 percent / pyridine; CH2Cl2 / 1.5 h / 3 °C 2: 10 percent / NaN3 / dimethylformamide / 5 h / 60 °C View Scheme |
-
-
3162-96-7
methyl 4,6-O-benzylidene-α-D-glucopyranoside
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: pyridine / dichloromethane / 3 h / -78 - 20 °C 2: sodium azide / N,N-dimethyl-formamide / 2 h / 80 °C 3: sulfuric acid / 2 h / 20 °C View Scheme |
-
-
97-30-3
methyl-alpha-D-glucopyranoside
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1: 1,3,5-trichloro-2,4,6-triazine / acetonitrile / 1 h / 20 °C / Sonication 2: pyridine / dichloromethane / 3 h / -78 - 20 °C 3: sodium azide / N,N-dimethyl-formamide / 2 h / 80 °C 4: sulfuric acid / 2 h / 20 °C View Scheme |
-
-
108-24-7
acetic anhydride
-
A
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
B
-
635292-85-2
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-β-D-mannopyranose
| Conditions | Yield |
|---|---|
| Stage #1: D-mannosamine hydrochloride With copper(ll) sulfate pentahydrate; 3-azidosulfonyl-3H-imidazole-1-ium hydrogen sulfate; potassium carbonate In methanol; water at -20 - 20℃; for 6h; Stage #2: acetic anhydride With pyridine at 0 - 20℃; Overall yield = 92 percent; Overall yield = 1.9 g; |
-
-
129217-24-9
4,6-O-benzylidene-1-O-methyl-2-O-trifluoromethylsulfonate-α-D-glucopyranoside
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: sodium azide / N,N-dimethyl-formamide / 12 h / 75 °C 2: sulfuric acid / 4 h / 0 - 20 °C / Inert atmosphere View Scheme |
-
-
108-24-7
acetic anhydride
-
-
116003-78-2
Methyl 2-azido-2-deoxy-4,6-O-(phenylmethylene)-α-D-mannopyranoside
-
A
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
B
-
635292-85-2
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-β-D-mannopyranose
| Conditions | Yield |
|---|---|
| With sulfuric acid at 0 - 20℃; for 4h; Inert atmosphere; Overall yield = 80 percent; Overall yield = 0.74 g; | A n/a B n/a |
-
-
3162-96-7
4,6-O-benzylidene-1-O-methyl-α-D-glucopyranoside
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: pyridine / dichloromethane / 3 h / -30 °C / Inert atmosphere; Molecular sieve 2: sodium azide / N,N-dimethyl-formamide / 12 h / 75 °C 3: sulfuric acid / 4 h / 0 - 20 °C / Inert atmosphere View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
95451-93-7
3,4,6-Tri-O-acetyl-2-azido-2-deoxy-α-D-mannopyranosyl bromide
| Conditions | Yield |
|---|---|
| With titanium(IV) bromide In dichloromethane; ethyl acetate for 144h; | 98% |
| With titanium(IV) bromide In dichloromethane; ethyl acetate at 20℃; for 48h; | 93% |
| With titanium(IV) bromide |
-
-
1271-47-2
ferroceneacetylene
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With C60H90N10O30; copper(II) sulfate; sodium L-ascorbate In methanol; dichloromethane; water at 60℃; for 1h; Reagent/catalyst; | 95% |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
94715-67-0
3,4,6-tri-O-acetyl-2-azido-2-deoxy-α-D-mannopyranose
| Conditions | Yield |
|---|---|
| With dimethyl amine In tetrahydrofuran at 0 - 20℃; | 87% |
| With hydrazinium monoacetate In N,N-dimethyl-formamide at 20℃; for 1h; Reduction; |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
106-45-6
para-thiocresol
-
-
765308-75-6
p-methylphenyl 2-deoxy-2-azido-3,4,6-tri-O-acetyl-1-thio-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With boron trifluoride diethyl etherate In dichloromethane at 20 - 30℃; for 48h; Inert atmosphere; | 82% |
-
-
100-02-7
4-nitro-phenol
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
570412-04-3
4-nitrophenyl 3,4,6-tri-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With zinc(II) chloride at 120℃; for 0.416667h; | 70% |
| With 4 A molecular sieve; boron trifluoride diethyl etherate In dichloromethane at 0℃; | 30% |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
75-08-1
ethanethiol
-
-
402831-54-3
ethyl 2-azido-3,4,6-tri-O-acetyl-2-deoxy-1-thio-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With 4 A molecular sieve; boron trifluoride diethyl etherate In dichloromethane for 7h; | 68% |
| Stage #1: 1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside; ethanethiol With MS (4A) In dichloromethane at 20℃; for 0.5h; Stage #2: With boron trifluoride diethyl etherate In dichloromethane for 8h; | 68% |
| With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere; | 58% |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water In methanol for 12h; Ambient temperature; Title compound not separated from byproducts; |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870074-19-4
ethyl 3,4-di-O-acetyl-2-azido-2-deoxy-1-thio-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 5 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 75 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870074-02-5
3,4-di-O-acetyl-2-azido-6-O-(tert-butyldimethylsilyl)-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 5 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 82 percent / N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h / -20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870073-99-7
ethyl 3,4-di-O-acetyl-2-azido-6-O-(tert-butyldimethylsilyl)-2-deoxy-1-thio-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870074-01-4
2-(benzyloxycarbonyl)aminoethyl 3,4-di-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 6 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 86 percent / 4 Angstroem molecular sieves; N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h 5: 97 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870074-21-8
3,4-di-O-acetyl-2-azido-2-deoxy-6-O-dibenzyloxyphosphoryl-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 8 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 75 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C 5: tetrazole / CH2Cl2 / 0.5 h / 20 °C 6: 200 mg / m-CPBA / CH2Cl2 / 0.5 h / 0 °C 7: 79 percent / N-iodosuccinimide; aq. AgOTf / CH2Cl2 / 0.5 h / -20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 6 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 75 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C 5: tetrazole / CH2Cl2 / 0.5 h / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870074-20-7
ethyl 3,4-di-O-acetyl-2-azido-2-deoxy-6-O-dibenzyloxyphosphoryl-1-thio-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 7 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 75 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C 5: tetrazole / CH2Cl2 / 0.5 h / 20 °C 6: 200 mg / m-CPBA / CH2Cl2 / 0.5 h / 0 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
-
-
870074-00-3
2-(benzyloxycarbonyl)aminoethyl 3,4-di-O-acetyl-2-azido-6-O-(tert-butyldimethylsilyl)-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 5 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 86 percent / 4 Angstroem molecular sieves; N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 6 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 82 percent / N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h / -20 °C 5: 97 percent / imidazole; PCl3 / acetonitrile / 0.17 h / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 9 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 75 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C 5: tetrazole / CH2Cl2 / 0.5 h / 20 °C 6: 200 mg / m-CPBA / CH2Cl2 / 0.5 h / 0 °C 7: 79 percent / N-iodosuccinimide; aq. AgOTf / CH2Cl2 / 0.5 h / -20 °C 8: 92 percent / imidazole; PCl3 / acetonitrile / 0.17 h / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 7 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 82 percent / N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h / -20 °C 5: 97 percent / imidazole; PCl3 / acetonitrile / 0.17 h / 20 °C 6: pivaloyl chloride; pyridine / 1 h / 20 °C View Scheme | |
| Multi-step reaction with 7 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 86 percent / 4 Angstroem molecular sieves; N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h 5: 97 percent / triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 20 °C 6: pivaloyl chloride; pyridine / 1 h / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 12 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 82 percent / N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h / -20 °C 5: 97 percent / imidazole; PCl3 / acetonitrile / 0.17 h / 20 °C 6: pivaloyl chloride; pyridine / 2 h 7: 351 mg / aq. I2; pyridine / -40 - -10 °C 8: NiCl2(H2O)6; NaBH4 / methanol / 0 °C 9: 83 percent / H2; amberlit IR-45(OH(-)) / Pd/C / methanol / 5171.48 Torr 10: 85 percent / triethylamine tris(hydrogen fluoride); Et3N / tetrahydrofuran / 0.5 h / 20 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 9 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 82 percent / N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h / -20 °C 5: 97 percent / imidazole; PCl3 / acetonitrile / 0.17 h / 20 °C 6: pivaloyl chloride; pyridine / 2 h 7: 351 mg / aq. I2; pyridine / -40 - -10 °C 8: NiCl2(H2O)6; NaBH4 / methanol / 0 °C View Scheme |
-
-
68733-20-0
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 11 steps 1: 68 percent / 4 Angstroem molecular sieves; BF3*OEt2 / CH2Cl2 / 7 h 2: NaOMe / methanol / 1 h 3: pyridine / 20 °C 4: 82 percent / N-iodosuccinimide; AgOTf / CH2Cl2 / 0.5 h / -20 °C 5: 97 percent / imidazole; PCl3 / acetonitrile / 0.17 h / 20 °C 6: pivaloyl chloride; pyridine / 2 h 7: 351 mg / aq. I2; pyridine / -40 - -10 °C 8: NiCl2(H2O)6; NaBH4 / methanol / 0 °C 9: 83 percent / H2; amberlit IR-45(OH(-)) / Pd/C / methanol / 5171.48 Torr View Scheme |
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