D-Mannose
mannosan
Conditions | Yield |
---|---|
With p-toluenesulfonyl chloride In pyridine for 4h; Ambient temperature; | 80% |
With pyridine; p-toluenesulfonyl chloride at 20℃; for 21h; Inert atmosphere; | 48.4% |
With toluene-4-sulfonic acid In N,N-dimethyl-formamide | 20% |
6-O-p-toluenesulfonyl-D-mannopyranose
mannosan
Conditions | Yield |
---|---|
NaOH In pyridine; sodium hydroxide for 1h; Ambient temperature; | 77% |
With 1,8-diazabicyclo[5.4.0]undec-7-ene In ethanol Ambient temperature; | |
With sodium hydride In N,N-dimethyl-formamide for 15h; Ambient temperature; | |
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile for 0.5h; Ambient temperature; |
1,6-anhydro-2,3,4-tri-O-benzyl-β-D-mannopyranose
A
1,6-anhydro-3-O-benzoyl-β-D-mannopyranose
B
mannosan
Conditions | Yield |
---|---|
palladium on activated charcoal In isopropyl alcohol for 4h; Heating; | A 40% B n/a |
With isopropyl alcohol; palladium on activated charcoal for 4h; Heating; | A 40% B n/a |
2,3,4-tri-O-acetyl-1,6-anhydro-β-D-mannopyranose
mannosan
Conditions | Yield |
---|---|
With methanol; barium methoxide |
D-Mannose
mannosan
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; benzene In N,N-dimethyl-formamide |
(1R,2S,6S,7R,8R)-7-Allyloxy-4-vinyl-3,5,10,11-tetraoxa-tricyclo[6.2.1.02,6]undecane
mannosan
Conditions | Yield |
---|---|
With sodium acetate; palladium dichloride In acetic acid at 20℃; for 24h; |
1,6-anhydro-2,3-O-isopropylidene-β-D-mannopyranose
mannosan
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In methanol for 30h; Heating; |
mannosan
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
Stage #1: D-Mannose; p-toluenesulfonyl chloride Tosylation; Stage #2: With sodium hydroxide In water Cyclization; Further stages.; |
dianhydroaltrose
mannosan
Conditions | Yield |
---|---|
Stage #1: dianhydroaltrose With boron trifluoride diethyl etherate Stage #2: With sodium methylate In methanol |
mannosan
Conditions | Yield |
---|---|
With sodium methylate In methanol |
1,6-anhydro-2,3,4-tri-O-benzoyl-β-D-mannopyranose
mannosan
Conditions | Yield |
---|---|
With sodium methylate In methanol |
2,3-isopropylidenedioxy-D-mannono-γ-lactone
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 61 percent / pyridine / 10 h / Ambient temperature 2: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 3: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 4: 12 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 5: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme | |
Multi-step reaction with 6 steps 1: 61 percent / pyridine / 10 h / Ambient temperature 2: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 3: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 4: 35 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 5: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 6: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
2,3-O-Isopropylidene-4-O-t-butyldimethylsilyl-1,6-anhydro-β-D-mannopyranose
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 2: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
2,3-O-Isopropylidene-6-O-(p-tolylsulfonyl)-D-mannono-1,4-lactone
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 2: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 3: 12 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 4: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme | |
Multi-step reaction with 5 steps 1: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 2: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 3: 35 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 4: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 5: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 12 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 2: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 35 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 2: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 3: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
2,3-O-Isopropylidene-5-O-tert-butyldimethylsilyl-6-O-(p-tolylsulfonyl)-D-mannono-1,4-lactone
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 2: 12 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 3: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 2: 35 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 3: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 4: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
2,3:5,6-di-O-isopropylidene-α-D-mannofuranose
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 80 percent / Collins' reagent / CH2Cl2 / 0.5 h / Ambient temperature 2: gl. AcOH, water / 4 h / 60 °C 3: 61 percent / pyridine / 10 h / Ambient temperature 4: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 5: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 6: 12 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 7: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme | |
Multi-step reaction with 8 steps 1: 80 percent / Collins' reagent / CH2Cl2 / 0.5 h / Ambient temperature 2: gl. AcOH, water / 4 h / 60 °C 3: 61 percent / pyridine / 10 h / Ambient temperature 4: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 5: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 6: 35 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 7: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 8: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
2,3,5,6-di-O-isopropylidene-D-mannono-1,4-lactone
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: gl. AcOH, water / 4 h / 60 °C 2: 61 percent / pyridine / 10 h / Ambient temperature 3: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 4: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 5: 12 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 6: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme | |
Multi-step reaction with 7 steps 1: gl. AcOH, water / 4 h / 60 °C 2: 61 percent / pyridine / 10 h / Ambient temperature 3: 98 percent / imidazole / dimethylformamide / 10 h / Ambient temperature 4: 90 percent / iBu2AlH / hexane; toluene / 4 h / -78 °C 5: 35 percent / NaH / dimethylformamide / 1.5 h / Ambient temperature 6: 70 percent / Bu4NF / tetrahydrofuran / 0.17 h 7: pyridinium p-toluenesulfonate / methanol / 30 h / Heating View Scheme |
Conditions | Yield |
---|---|
With water In sulfolane at 220℃; for 0.05h; Microwave irradiation; | A 14.7 %Chromat. B 63.9 %Chromat. |
methyl α-D-mannofuranoside
A
1,6-Anhydro-β-D-mannohexofuranose
B
mannosan
Conditions | Yield |
---|---|
In sulfolane at 240℃; for 0.05h; Microwave irradiation; | A 57.1 %Chromat. B 5.8 %Chromat. |
With water In sulfolane at 240℃; for 0.05h; Microwave irradiation; | A 12.5 %Chromat. B 48.1 %Chromat. |
(2R,3S,4S,5S,6S)-2-(hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triol
mannosan
Conditions | Yield |
---|---|
With water In sulfolane at 280℃; for 0.05h; Microwave irradiation; | 79.8 %Chromat. |
mannosan
Conditions | Yield |
---|---|
With sodium hydroxide at 0 - 20℃; Inert atmosphere; |
β-D-mannose
mannosan
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine / 1 h / 0 - 20 °C / Inert atmosphere 2: sodium hydroxide / 0 - 20 °C / Inert atmosphere View Scheme |
acetic anhydride
mannosan
D-Mannose pentaacetate
Conditions | Yield |
---|---|
scandium tris(trifluoromethanesulfonate) at 20℃; for 5h; | 95% |
benzyl bromide
mannosan
1,6-anhydro-2,3,4-tri-O-benzyl-β-D-mannopyranose
Conditions | Yield |
---|---|
Stage #1: mannosan With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 15 - 20℃; for 15h; | 92% |
With barium dihydroxide; barium(II) oxide In N,N-dimethyl-formamide for 1h; Ambient temperature; Yield given; | |
With tetra-(n-butyl)ammonium iodide; sodium hydride 1.) DMF, DMF; Multistep reaction; |
triisopropylsilyl trifluoromethanesulfonate
mannosan
1,6-anhydro-2,3,4-tris-O-(triisopropylsilyl)-β-D-mannopyranose
Conditions | Yield |
---|---|
With pyridine In 1,1,2,2-tetrachloroethane at 110℃; for 15h; | 92% |
tert-butyldimethylsilane
mannosan
Conditions | Yield |
---|---|
With [Ir(COD)(PPh3)2]SbF6 In N,N-dimethyl acetamide at 70℃; | A 86% B 5% |
chloro-trimethyl-silane
mannosan
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere; | 86% |
triisopropylsilyl trifluoromethanesulfonate
mannosan
1,6-anhydro-2,4-bis-O-(triisopropylsilyl)-β-D-mannopyranose
Conditions | Yield |
---|---|
In pyridine; dichloromethane | 80% |
Conditions | Yield |
---|---|
With iron(III)-acetylacetonate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 4h; Green chemistry; regioselective reaction; | 78% |
9,9-dichloro-9H-fluorene
mannosan
1,6-anhydro-2,3-O-fluoren-9-ylidene-β-D-mannopyranose
Conditions | Yield |
---|---|
With pyridine at 110℃; for 96h; | 73% |
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | 73% |
1-bromomethyl-4-bromobenzene
mannosan
A
1,6-anhydro-2-O-(4-bromobenzyl)-β-D-mannopyranoside
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | A 73% B n/a |
2-bromomethylnaphthyl bromide
mannosan
1,6-anhydro-2-O-(2-naphthyl)methyl-β-D-mannopyranoside
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | 71% |
acrylic acid methyl ester
mannosan
Conditions | Yield |
---|---|
With Quinuclidine; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; oxybis(diphenylborane) In acetonitrile at 25℃; for 16h; Reagent/catalyst; Irradiation; Inert atmosphere; Schlenk technique; Sealed tube; | 68% |
benzaldehyde dimethyl acetal
mannosan
1,6-anhydro-2,3-O-endo-benzylidene-β-D-mannopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 50℃; for 1h; | 65.2% |
benzyl bromide
mannosan
A
1,6-anhydro-3-O-benzyl-β-D-mannopyranose
B
1,6-anhydro-2-O-benzyl-β-D-mannopyranoside
Conditions | Yield |
---|---|
With 3 A molecular sieve; bis(tri-n-butyltin)oxide; 1-methyl-1H-imidazole; tetra-(n-butyl)ammonium iodide In toluene 1.) reflux, 15 h; 2.) 2 h; | A 25% B 65% |
With 3 A molecular sieve; bis(tri-n-butyltin)oxide; 1-methyl-1H-imidazole; tetrabutylammomium bromide In toluene 1.) reflux, 15 h; 2.) 8 h; | A 38% B 52% |
1,2-propylene cyclic carbonate
mannosan
Conditions | Yield |
---|---|
With 3-methyl-2-butynyltetramethylenesulfonium hexafluoroantimonate at 90℃; for 0.333333h; | 64% |
mannosan
polymer, product of cationic polymerization, branching degree 0.44, Mw 1.050E4, PDI 1.43 by SEC, Mw 6.37E5 by SLS; monomer(s): 1,6-anhydro-β-D-mannopyranose
Conditions | Yield |
---|---|
With 1-(2-butenyl)tetrahydrothiophenium hexafluoroantimonate In various solvent(s) at 150℃; for 0.666667h; | 63% |
Benzyloxymethyl chloride
mannosan
A
1,6-anhydro-2-O-benzyloxymethyl-β-D-mannopyranoside
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | A 63% B n/a |
mannosan
polymer, product of cationic polymerization, branching degree 0.43, Mw 3.20E3, PDI 1.35 by SEC, Mw 8.05E4 by SLS; monomer(s): 1,6-anhydro-β-D-mannopyranose
Conditions | Yield |
---|---|
With 1-(2-butenyl)tetrahydrothiophenium hexafluoroantimonate In various solvent(s) at 130℃; for 0.333333h; | 61.6% |
mannosan
polymer, product of cationic polymerization, branching degree 0.43, Mw 4.30E3, PDI 1.49 by SEC, Mw 9.63E4 by SLS; monomer(s): 1,6-anhydro-β-D-mannopyranose
Conditions | Yield |
---|---|
With 1-(2-butenyl)tetrahydrothiophenium hexafluoroantimonate In various solvent(s) at 150℃; for 0.333333h; | 61.1% |
mannosan
polymer, product of cationic polymerization, branching degree 0.41, Mw 2.48E3, PDI 1.31 by SEC, Mw 6.94E4 by SLS; monomer(s): 1,6-anhydro-β-D-mannopyranose
Conditions | Yield |
---|---|
With 1-(2-butenyl)tetrahydrothiophenium hexafluoroantimonate In various solvent(s) at 130℃; for 0.666667h; | 57% |
mannosan
polymer, product of cationic polymerization, branching degree 0.42, Mw 2.17E3, PDI 1.30 by SEC, Mw 3.42E4 by SLS; monomer(s): 1,6-anhydro-β-D-mannopyranose
Conditions | Yield |
---|---|
With 1-(2-butenyl)tetrahydrothiophenium hexafluoroantimonate In various solvent(s) at 130℃; for 0.333333h; | 56.6% |
2-(dimethoxymethyl)naphthalene
mannosan
A
endo-1,6-anhydro-2,3-O-(2-naphthyl)methylene-β-D-mannopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 20℃; for 24h; | A 55% B 9.2% |
N-benzoyloxybenzotriazole
mannosan
B
1,6-anhydro-2,4-di-O-benzoyl-β-D-mannopyranose
C
1,6-anhydro-2,3,4-tri-O-benzoyl-β-D-mannopyranose
Conditions | Yield |
---|---|
With pyridine at 20℃; for 76h; | A 15% B 54% C 26% |
N-benzoyloxybenzotriazole
mannosan
1,6-anhydro-2,4-di-O-benzoyl-β-D-mannopyranose
Conditions | Yield |
---|---|
With pyridine | 54% |
benzaldehyde dimethyl acetal
mannosan
1,6-anhydro-2,3-O-endo-benzylidene-β-mannopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 50℃; under 30 Torr; for 3h; | 38% |
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 65 - 75℃; for 3h; | 24% |
p-Anisaldehyde dimethyl acetal
mannosan
B
1,6-Anhydro-endo-2,3-O-(4-methoxybenzylidene)-β-D-mannopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 50℃; under 225.023 Torr; for 4h; optical yield given as %de; | A n/a B 31% |
With toluene-4-sulfonic acid In N,N-dimethyl-formamide |
mannosan
polymer, product of cationic polymerization, branching degree 0.44, Mw 5.84E3, PDI 1.84 by SEC, Mw 8.09E4 by SLS; monomer(s): 1,6-anhydro-β-D-mannopyranose
Conditions | Yield |
---|---|
With 1-(2-butenyl)tetrahydrothiophenium hexafluoroantimonate at 210℃; for 0.0166667h; | 23.8% |
This chemical is called β-D-Mannopyranose, 1,6-anhydro-, and its systematic name is (1R,2S,3S,4S,5R)-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol (non-preferred name). With the molecular formula of C6H10O5, its molecular weight is 162.14. The CAS registry number of this chemical is 14168-65-1. Additionally, its product category is Carbohydrates & Derivatives.
Other characteristics of the β-D-Mannopyranose, 1,6-anhydro- can be summarised as followings: (1)ACD/LogP: -0.04; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.04; (4)ACD/LogD (pH 7.4): -0.04; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 22.6; (8)ACD/KOC (pH 7.4): 22.6; (9)#H bond acceptors: 5; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 46.15 Å2; (13)Index of Refraction: 1.619; (14)Molar Refractivity: 33.7 cm3; (15)Molar Volume: 95.9 cm3; (16)Polarizability: 13.36×10-24cm3; (17)Surface Tension: 70.6 dyne/cm; (18)Density: 1.688 g/cm3; (19)Flash Point: 185.9 °C; (20)Enthalpy of Vaporization: 73.13 kJ/mol; (21)Boiling Point: 383.8 °C at 760 mmHg; (22)Vapour Pressure: 1.81E-07 mmHg at 25°C.
You can still convert the following datas into molecular structure:
1.SMILES: O[C@H]2[C@@H](O)[C@H](O)[C@@H]1O[C@H]2OC1
2.InChI: InChI=1/C6H10O5/c7-3-2-1-10-6(11-2)5(9)4(3)8/h2-9H,1H2/t2-,3-,4+,5+,6-/m1/s1
3.InChIKey: TWNIBLMWSKIRAT-RWOPYEJCBN
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