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CAS No.: | 89-67-8 |
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Name: | D-glycero-D-gulo-heptono-1,4-lactone |
Article Data: | 8 |
Molecular Structure: | |
Formula: | C7H12 O7 |
Molecular Weight: | 208.168 |
Synonyms: | NSC2558 |
Density: | 1.61g/cm3 |
Melting Point: | 152-155 °C(lit.) |
Boiling Point: | 461°C at 760 mmHg |
Flash Point: | 192.1°C |
PSA: | 127.45000 |
LogP: | -3.65230 |
5,7-O-benzylidene-D-glycero-D-gulo-heptono-1,4-lactone
α-D-glucoheptonic γ-lactone
Conditions | Yield |
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With acetic acid for 24h; Ambient temperature; | 95% |
D-glycero-D-gulo-heptonic acid hydrazide
α-D-glucoheptonic γ-lactone
Conditions | Yield |
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With hydrogenchloride; nitrogen oxides |
Conditions | Yield |
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ueber das Calcium-Salz der D-glycero-D-gulo-Heptonsaeure; |
D-glycero-D-gulo-heptonic benzoylhydrazide
α-D-glucoheptonic γ-lactone
Conditions | Yield |
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With copper(II) sulfate 1.) water, reflux 5 h; Multistep reaction; | |
With hydrogenchloride; nitrous anhydride In ethanol; water at 15 - 20℃; for 3h; bubbling nitrous anhydride; |
4,6-O-benzylidene-D-glucose
α-D-glucoheptonic γ-lactone
Conditions | Yield |
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Multi-step reaction with 2 steps 1: 1.) NaHCO3, 2.) H2O, 3.) AcOH 2: 95 percent / 80percent aq. AcOH / 24 h / Ambient temperature View Scheme |
Conditions | Yield |
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With copper(II) sulfate | 99% |
benzaldehyde
α-D-glucoheptonic γ-lactone
3,5(R)-O-benzylidene-D-glycero-D-gulo-heptono-1,4-lactone
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; for 2h; | 96% |
With hydrogenchloride for 2h; Ambient temperature; | 91% |
acetic anhydride
α-D-glucoheptonic γ-lactone
2,3,5,6,7-penta-O-acetyl-D-glycero-D-gulo-heptono-1,4-lactone
Conditions | Yield |
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With perchloric acid for 2h; | 95% |
With perchloric acid for 0.5h; Ambient temperature; | 92% |
Conditions | Yield |
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With sodium tetrahydroborate; Amberlite IR-120 H(+) In water at 0℃; for 1h; pH=3 - 5; | 94.9% |
durch elektrochemische Reduktion (Quecksilber-Kathode) in wss. Schwefelsaeure; | |
With sulfuric acid Reduktion an Quecksilber-Kathoden; | |
With sodium borate; sulfuric acid | |
With sodium amalgam; sulfuric acid |