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Cas:641-74-7
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Isomannide Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relations
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inquiryIsomannide Basic information Product Name: Isomannide Synonyms: 1,4:3,6-DIANHYDROMANNITOL;ISOMANNIDE;1,4;Perhydro-3,6-dihydroxyfuro[3,2-b]furan;Keratin 5 &;Milnacipran Impurity 14;(3R,3aR,6R,6aR)-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3,6
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Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting Isomannide(1,4:3,6-Dianhydro-D-mannitol) CAS:641-74-7, Please contact us by email freely. We are leading exporter in China. If you r
Cas:641-74-7
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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
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Type:Lab/Research institutions
inquiryAmoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
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Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; carbonic acid dimethyl ester In methanol at 90℃; for 24h; Time; | 92% |
With hydrogenchloride In water for 60h; Heating; | 72% |
With cation-exchange resin In 1,4-dioxane; ethyl acetate at 78 - 84℃; for 24h; Heating; | 35% |
Conditions | Yield |
---|---|
With Hβ zeolite at 139.84℃; for 3h; | A 63% B 12% |
D-sorbitol
carbonic acid dimethyl ester
A
1,4:3,6-dianhydro-D-mannitol
B
1,4:3,6-dianhydro-L-iditol
C
isosorbide dimethyl ether
Conditions | Yield |
---|---|
With triethylamine In biphenyl at 90 - 200℃; under 63756.4 Torr; for 48h; Reagent/catalyst; Autoclave; Inert atmosphere; | A 14% B 26% C 60% |
mannitol
A
1,4:3,6-dianhydro-D-mannitol
B
1,4-anhydro-D-mannitol
C
2,5-anhydro-D-glucitol
Conditions | Yield |
---|---|
With sulfuric acid at 139.84℃; for 1h; Reagent/catalyst; | A 28% B 11% C 52% |
With hydrogen fluoride; sodium methylate; acetic acid 1) 45 h, 20 deg C; Yield given. Multistep reaction; | |
With formic acid; hydrogen fluoride; water 1) 8 min, 20 deg C; Yield given. Multistep reaction; | |
With hydrogen fluoride; sodium methylate; acetic acid Product distribution; Mechanism; multistep reaction; effect of concentration and time, intermediate acyloxonium ions monitored by 13C-NMR; | |
With formic acid; hydrogen fluoride; water Product distribution; Mechanism; multistep reaction; effect of concentration and time, intermediate acyloxonium ions monitored by 13C-NMR; |
mannitol
A
1,4:3,6-dianhydro-D-mannitol
B
1,4-anhydro-D-mannitol
C
1,5-anhydro-D-mannitol
D
2,5-anhydro-D-glucitol
Conditions | Yield |
---|---|
In water at 249.84℃; for 36h; Kinetics; Temperature; Time; | A n/a B 25% C 6% D 41% |
With sulfuric acid In water at 104℃; Product distribution; Rate constant; reaction time dependence; |
mannitol
A
1,4:3,6-dianhydro-D-mannitol
B
1,4-anhydro-D-mannitol
C
2,5-anhydro-D-mannitol
Conditions | Yield |
---|---|
In water at 276.84℃; for 10h; Kinetics; Temperature; | A n/a B n/a C 40.5% |
mannitol
ethyl acetate
A
(3R,6R)-6-hydroxyhexahydrofuro[3,2 b]furan-3-yl acetate
B
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
With calcium sulfate In 1,4-dioxane at 78 - 84℃; for 120h; Heating; | A 11% B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
at 180℃; unter vermindertem Druck; |
tetrachloromethane
mannitol
toluene-4-sulfonic acid
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
at 140℃; |
Conditions | Yield |
---|---|
With sulfuric acid unter vermindertem Druck; |
1,4:3,6-dianhydro-2,5-di-O-benzoyl-D-mannitol
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
With methanol; ammonia |
methanol
sodium methylate
(3R,3aS,6R,6aS)-hexahydrofuro[3,2-b]furan-3,6-diyl bis(4-methylbenzenesulfonate)
1,4:3,6-dianhydro-D-mannitol
mannitol
A
1,4:3,6-dianhydro-D-mannitol
B
1,4-anhydro-D-mannitol
C
1,5-anhydro-D-mannitol
D
2,5-anhydro-D-mannitol
Conditions | Yield |
---|---|
With pyridine hydrochloride at 140℃; Product distribution; |
(3R,3aS,6R,6aS)-hexahydrofuro[3,2-b]furan-3,6-diyl bis(4-methylbenzenesulfonate)
1,4:3,6-dianhydro-D-mannitol
diethyl ether
(3R,3aS,6R,6aS)-hexahydrofuro[3,2-b]furan-3,6-diyl bis(4-methylbenzenesulfonate)
1,4:3,6-dianhydro-D-mannitol
ammonia
(3R,3aS,6R,6aS)-hexahydrofuro[3,2-b]furan-3,6-diyl bis(4-methylbenzenesulfonate)
1,4:3,6-dianhydro-D-mannitol
hydrogenchloride
mannitol
1,3-Dichloro-2-propanol
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
at 140℃; |
tetrachloromethane
mannitol
sulfuric acid
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
at 140℃; |
mannitol
A
3,6-anhydro-D-altritol
B
1,4:3,6-dianhydro-D-mannitol
C
1,4-anhydro-D-mannitol
D
2,5-anhydro-D-glucitol
Conditions | Yield |
---|---|
With 3 A molecular sieve at 260℃; for 2h; Product distribution; Further Variations:; Temperatures; reaction time; |
mannitol
2-Methoxypropene
A
2,5-anhydro-1,3-O-isopropylidene-D-glucitol
B
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
Stage #1: mannitol With hydrogenchloride for 48h; Heating; Stage #2: 2-Methoxypropene In acetone Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous hydrochloric acid 2: sulfuric acid / unter vermindertem Druck View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Hydrogenation 2: concentrated aqueous hydrochloric acid View Scheme | |
Multi-step reaction with 2 steps 1: Hydrogenation 2: aqueous HCl View Scheme |
Isosorbide
A
1,4:3,6-dianhydro-D-mannitol
B
1,4:3,6-dianhydro-L-iditol
Conditions | Yield |
---|---|
With Raney nickel | |
With Raney nickel | |
With 5% active carbon-supported ruthenium; hydrogen In water at 220℃; under 35253.5 Torr; for 3h; Catalytic behavior; Concentration; pH-value; Pressure; Reagent/catalyst; Temperature; Time; | A 5 %Spectr. B 60 %Spectr. |
Conditions | Yield |
---|---|
With hydrogen; sodium hydroxide In water at 180℃; under 87758.8 Torr; for 3h; Temperature; |
Conditions | Yield |
---|---|
In water at 20℃; for 6h; Reagent/catalyst; UV-irradiation; | A 10 %Chromat. B 87 %Chromat. |
2-(2-bromoethoxy)tetrahydropyran
1,4:3,6-dianhydro-D-mannitol
2,5-di-O-<2'-(tetrahydropyran-2-yloxy)ethoxy>-1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide 1.) 50 deg C, 15 min, 2.) 50 deg C, 1 h, 3.) 70 deg C, 12 h; | 100% |
With sodium hydride In dimethyl sulfoxide 1.) 60 deg C, 12 h; | 100% |
1,4:3,6-dianhydro-D-mannitol
1,4:3,6-dianhydro-2,5-dideoxy-2,5-dibromo-L-iditol
Conditions | Yield |
---|---|
With 1H-imidazole; bromine; triphenylphosphine In acetonitrile for 72h; Heating; | 100% |
With 1H-imidazole; bromine; triphenylphosphine In acetonitrile for 48h; Heating; | 83% |
trifluoromethylsulfonic anhydride
1,4:3,6-dianhydro-D-mannitol
[(3R,3aS,6R,6aS)-6-(trifluoromethylsulfonyloxy)-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl]trifluoromethanesulfonate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; Inert atmosphere; | 100% |
With pyridine In dichloromethane at 0 - 20℃; for 3h; | 99% |
With pyridine In dichloromethane at -10 - 0℃; for 2h; | 95% |
6-chloro-dibenzo[d,f][1,3,2]-dioxaphosphepin
1,4:3,6-dianhydro-D-mannitol
C30H24O8P2
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 3h; Ambient temperature; | 99% |
3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl phosphorochloridite
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 3h; Ambient temperature; | 99% |
p-toluenesulfonyl chloride
1,4:3,6-dianhydro-D-mannitol
(3R,3aS,6R,6aS)-hexahydrofuro[3,2-b]furan-3,6-diyl bis(4-methylbenzenesulfonate)
Conditions | Yield |
---|---|
96% | |
With pyridine at 0℃; for 3h; Inert atmosphere; | 92% |
With triethylamine In dichloromethane at 20 - 50℃; | 91.5% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 3h; Ambient temperature; | 96% |
propargyl bromide
1,4:3,6-dianhydro-D-mannitol
1,4:3,6-dianhydro-2,5-di-O-propargyl-D-mannitol
Conditions | Yield |
---|---|
Stage #1: 1,4:3,6-dianhydro-D-mannitol With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; Inert atmosphere; Stage #2: propargyl bromide With 18-crown-6 ether In N,N-dimethyl-formamide; toluene; mineral oil at 20℃; for 2h; Inert atmosphere; | 96% |
Stage #1: 1,4:3,6-dianhydro-D-mannitol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: propargyl bromide With tetrabutylammomium bromide In N,N-dimethyl-formamide Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 2h; Yields of byproduct given; | A 95% B n/a |
allyl bromide
1,4:3,6-dianhydro-D-mannitol
(3R,3aR,6R,6aR)-3,6-bis(allyloxy)hexahydrofuro[3,2-b]furan
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere; | 94% |
With sodium hydroxide | |
With sodium hydroxide; acetone | |
With 1,4-dioxane; sodium hydroxide |
1,4:3,6-dianhydro-D-mannitol
(3S,3aS,6S,6aS)-3,6-dichlorohexahydrofuro[3,2-b]furan
Conditions | Yield |
---|---|
With pyridine; thionyl chloride at 0 - 70℃; for 20h; | 94% |
With pyridine; thionyl chloride |
Conditions | Yield |
---|---|
With palladium diacetate; triphenylphosphine; benzoic acid In 1,4-dioxane at 90℃; under 30003 Torr; for 20h; | 94% |
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -10 - 20℃; for 4h; | 93% |
Conditions | Yield |
---|---|
Stage #1: 1,4:3,6-dianhydro-D-mannitol With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h; Inert atmosphere; Stage #2: bromopentene In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; Inert atmosphere; | 91% |
2-Bromoethyl ethyl ether
1,4:3,6-dianhydro-D-mannitol
(3R,3aR,6R,6aR)-3,6-Bis-(2-ethoxy-ethoxy)-hexahydro-furo[3,2-b]furan
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide 1.) 50 deg C, 15 min, 2.) 50 deg C, 1 h, 3.) 70 deg C, 12 h; | 90% |
With sodium hydroxide In dimethyl sulfoxide 1.) 60 deg C, 12 h; | 90% |
Bromoacetaldehyde diethyl acetal
1,4:3,6-dianhydro-D-mannitol
(3R,3aR,6R,6aR)-3,6-Bis-(2,2-diethoxy-ethoxy)-hexahydro-furo[3,2-b]furan
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide 1.) 50 deg C, 15 min, 2.) 50 deg C, 1 h, 3.) 70 deg C, 12 h; | 90% |
Bromoacetaldehyde diethyl acetal
1,4:3,6-dianhydro-D-mannitol
A
(3R,3aR,6R,6aR)-3,6-Bis-(2,2-diethoxy-ethoxy)-hexahydro-furo[3,2-b]furan
B
(3R,3aR,6R,6aR)-6-(2,2-Diethoxy-ethoxy)-hexahydro-furo[3,2-b]furan-3-ol
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide 1.) 60 deg C, 12 h; | A 90% B 8% |
With sodium hydride In dimethyl sulfoxide 1.) 50 deg C, 2 h, 2.) 70 deg C, 12 h; | A 29% B 20% |
benzoic acid
1,4:3,6-dianhydro-D-mannitol
(3S,3aR,6S,6aR)-6-(benzoyloxy)hexahydrofuro[3,2-b]furan-3-yl benzoate
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 25℃; for 21h; Mitsunobu reaction; | 90% |
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 21h; | 88% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; | |
With di-isopropyl azodicarboxylate; triphenylphosphine In dichloromethane at 0 - 20℃; | |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 12h; |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 3h; Ambient temperature; | 89% |
1,4:3,6-dianhydro-D-mannitol
Methacryloyl chloride
isomannide bis-methacrylate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 24h; | 89% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 3h; Ambient temperature; | 87% |
Conditions | Yield |
---|---|
Stage #1: pyrocatechol phosphorochloridite; 1,4:3,6-dianhydro-D-mannitol With triethylamine In N,N-dimethyl-formamide at 20℃; for 20h; Stage #2: With sulfur In N,N-dimethyl-formamide at 20℃; for 20h; | 87% |
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 3h; Ambient temperature; | 86% |
Conditions | Yield |
---|---|
Stage #1: chloro-diphenylphosphine; 1,4:3,6-dianhydro-D-mannitol With triethylamine In N,N-dimethyl-formamide at 20℃; for 144h; Stage #2: With 1,3-dibromo-propane In N,N-dimethyl-formamide at 20℃; for 336h; | 86% |
Conditions | Yield |
---|---|
Stage #1: 1,4:3,6-dianhydro-D-mannitol With triethylamine; trichlorophosphate In 1,4-dioxane at 10 - 20℃; Stage #2: diethylamine In 1,4-dioxane at 20 - 75℃; for 3h; | 85% |
Conditions | Yield |
---|---|
Stage #1: 1,4:3,6-dianhydro-D-mannitol With n-butyllithium In tetrahydrofuran at -78 - 20℃; for 2h; Stage #2: monomethyl oxalyl chloride In tetrahydrofuran at 0 - 20℃; for 48h; | 84% |
Stage #1: 1,4:3,6-dianhydro-D-mannitol With n-butyllithium In tetrahydrofuran at -78 - 30℃; for 2h; Stage #2: monomethyl oxalyl chloride In tetrahydrofuran at 0 - 30℃; for 48h; | 84% |
Quinoline-6-carboxylic acid
1,4:3,6-dianhydro-D-mannitol
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 24h; Inert atmosphere; | 84% |
Conditions | Yield |
---|---|
Stage #1: bis(diethylamino)chlorophosphine; 1,4:3,6-dianhydro-D-mannitol With triethylamine In 1,4-dioxane at 20℃; for 18h; Stage #2: With sulfur In 1,4-dioxane at 20℃; for 4h; | A n/a B n/a C 83% |
Stage #1: bis(diethylamino)chlorophosphine; 1,4:3,6-dianhydro-D-mannitol With triethylamine In chloroform at 20℃; for 24h; Stage #2: With sulfur In chloroform at 20℃; for 4h; | |
Stage #1: bis(diethylamino)chlorophosphine; 1,4:3,6-dianhydro-D-mannitol With pyridine at 20℃; for 24h; Stage #2: With sulfur at 20℃; for 4h; |
2-ethoxyethyl p-toluenesulfonate
1,4:3,6-dianhydro-D-mannitol
(3R,3aR,6R,6aR)-3,6-Bis-(2-ethoxy-ethoxy)-hexahydro-furo[3,2-b]furan
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide 1.) 50 deg C, 15 min, 2.) 50 deg C, 1 h, 3.) 70 deg C, 12 h; | 82% |
With sodium hydroxide In dimethyl sulfoxide 1.) 60 deg C, 12 h; | 82% |
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