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inquiryL-Mannono-1,4-lactone CAS NO.22430-23-5 Application:L-Mannono-1,4-lactone CAS NO.22430-23-5
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
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hydrogen cyanide
L-arabinose
A
ethyl L-mannonate
B
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
beim Behandeln des hesrgestellten Nitrils mit Bariumhydroxid in Wasser und Erwaermen des nach dem Ansaeuern erhaltenen Reaktionsprodukts mit Aethanol; |
L-arabinose
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
With barium dihydroxide; hydrogen cyanide; water Erhitzen des Reaktionsprodukts mit Butan-1-ol unter Eindampfen; | |
With barium dihydroxide; hydrogen cyanide; water Erhitzen des Reaktionsprodukts mit Aethanol unter Eindampfen; | |
Multi-step reaction with 2 steps 2: water / durch Eindampfen View Scheme |
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
With water durch Eindampfen; |
L-(+)-arabinose
ethanol
sodium cyanide
A
L-gluconic acid
B
ethyl L-mannonate
C
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
With acetyl chloride 1) H2O, overnight, 2) r.t. to 5 deg C; Yield given. Multistep reaction; |
L-(+)-arabinose
sodium cyanide
A
ethyl L-mannonate
C
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
With ethanol; acetyl chloride 1) H2O, overnight, 2) r.t. to 5 deg C; Yield given. Multistep reaction; |
2,3,5,6-tetra-O-acetyl-D-galactono-1,4-lactone
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
With phosphate buffer; porcine pancreatic lipase for 7h; |
Conditions | Yield |
---|---|
With 1-Phenylbut-1-en-3-one; rhodium hydrido (PEt3)3 complex In N,N-dimethyl-formamide at 60 - 80℃; Yield given. Yields of byproduct given; |
acetone
L-mannono-1,4-lactone
2,3,5,6-di-O-isopropylidene-D-gulono-1,4-lactone
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 20℃; Inert atmosphere; | 99% |
With toluene-4-sulfonic acid In dimethoxypropane at 25℃; pH=3; Inert atmosphere; |
L-mannono-1,4-lactone
D-glucitol
Conditions | Yield |
---|---|
With Cu/Cr oxide; hydrogen In ethanol at 170 - 180℃; under 90007.2 Torr; for 10h; | 95% |
acetone
L-mannono-1,4-lactone
(3aR,6S,6aR)-6-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyldihydrofuro[3,4-d][1,3]dioxol-4(3aH)-one
Conditions | Yield |
---|---|
sulfuric acid; copper(II) sulfate for 22h; | 94% |
With sulfuric acid; copper(II) sulfate at 20℃; for 24h; | 62% |
2,2-dimethoxy-propane
L-mannono-1,4-lactone
1,2:3,4:5,6-tri-O-isopropylidene-L-mannitol
Conditions | Yield |
---|---|
Stage #1: L-mannono-1,4-lactone With lithium borohydride In methanol at 0℃; Inert atmosphere; Stage #2: 2,2-dimethoxy-propane With hydrogenchloride In 1,4-dioxane at 20℃; for 22h; Inert atmosphere; | 87% |
2,2-dimethoxy-propane
L-mannono-1,4-lactone
(3aR,6S,6aR)-6-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyldihydrofuro[3,4-d][1,3]dioxol-4(3aH)-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In acetone at 20℃; Inert atmosphere; | 69% |
Conditions | Yield |
---|---|
With sulfuric acid In toluene | 65% |
benzyl bromide
L-mannono-1,4-lactone
(R)-3-Benzyloxy-5-((S)-1,2-dihydroxy-ethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With sodium hydride In dimethyl sulfoxide for 24h; Ambient temperature; | 61% |
L-mannono-1,4-lactone
L-mannaro-1,4:3,6-di-γ-lactone
Conditions | Yield |
---|---|
With nitric acid at 85℃; for 16h; | 60% |
With nitric acid | 40% |
tert-butyldimethylsilyl chloride
L-mannono-1,4-lactone
A
3,6-Bis-O-(t-butyldimethylsilyl)-L-mannono-1,4-lacton3,6-Bis-O-(t-butyldimethylsilyl)-L-mannono-1,4-lacton
B
2,6-Bis-O-(t-butyldimethylsilyl)-L-mannono-1,4-lacton
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide for 12h; Ambient temperature; | A 33% B 56% |
pivaloyl chloride
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
With pyridine at 0℃; for 3h; | A 50% B 6.5% |
L-mannono-1,4-lactone
Conditions | Yield |
---|---|
Stage #1: L-mannono-1,4-lactone With hydrogen bromide; acetic acid at 60℃; for 1h; Stage #2: With acetic acid; zinc for 3h; | 50% |
Stage #1: L-mannono-1,4-lactone With hydrogen bromide; acetic acid at 50℃; for 1h; Stage #2: With acetic acid; potassium hydroxide; zinc In water at -10 - 60℃; for 4h; | 48% |
Stage #1: L-mannono-1,4-lactone With hydrogen bromide; acetic acid at 50℃; for 1h; Stage #2: With zinc In water at -10 - 60℃; | 48% |
O-benzyl 2,2,2-trichloroacetimidate
L-mannono-1,4-lactone
2,5-di-O-benzyl-L-mannaro-1,4:3,6-di-γ-lactone
Conditions | Yield |
---|---|
Stage #1: L-mannono-1,4-lactone With nitric acid In water Stage #2: O-benzyl 2,2,2-trichloroacetimidate With trifluorormethanesulfonic acid In 1,4-dioxane | 37% |
acetic anhydride
L-mannono-1,4-lactone
2,3,5,6-tetra-O-acetyl-D-galactono-1,4-lactone
Conditions | Yield |
---|---|
With zinc(II) chloride |
L-mannono-1,4-lactone
L-mannonic acid amide
Conditions | Yield |
---|---|
With ammonia |
L-mannono-1,4-lactone
mannaric acid-1=>4;6=>3-dilactone
Conditions | Yield |
---|---|
With nitric acid at 50℃; γ.γ dilactone of/the/ l-manno-sugaroic acid; |
Conditions | Yield |
---|---|
In methanol |
L-mannono-1,4-lactone
L-mannonic acid hydrazide
Conditions | Yield |
---|---|
With hydrazine In ethanol |
L-mannono-1,4-lactone
L-mannitol
Conditions | Yield |
---|---|
With lithium borohydride In methanol for 0.5h; Ambient temperature; |
methanol
ammonia
L-mannono-1,4-lactone
L-mannonic acid amide
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