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inquiry63-84-3 DL-DOPA Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as di
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
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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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inquiryDibekacin cas 34493-98-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryZhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i
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inquiry3',4'-dideoxy-3',4'-didehydro kanamycin B
dibecacin
Conditions | Yield |
---|---|
With hydrogen; platinum(IV) oxide In water | 98% |
With platinum(IV) oxide; hydrogen; acetic acid In water at 20℃; for 24h; Temperature; | 96% |
penta-N-acetyldibekacin
dibecacin
Conditions | Yield |
---|---|
With hydrazine hydrate at 100℃; for 72h; | 70% |
O-3-acetamido-2,4,6-tri-O-benzyl-3-deoxy-α-D-glucopyranosyl-(1->6)-1,3,2',6'-tetrakis-N-benzyloxycarbonylgentamine C1a
dibecacin
Conditions | Yield |
---|---|
With ammonia; sodium In tetrahydrofuran at -80℃; for 0.75h; | 1% |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: Na2CO3 / H2O; dioxane 2: 80 percent aq. AcOH / 60 °C 3: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 4: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 5: methanol 6: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 7: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: BaO, Ba(OH)2*8H2O / dimethylformamide 2: 6 N aq. HCl, AcOH / 90 °C 3: 25 percent HBr / CHCl3 / 5 °C 4: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 5: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 6: methanol 7: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 8: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
{(1R,2S,3R,4R,5S)-4-[(2R,3R,6S)-6-(Acetylamino-methyl)-3-ethoxycarbonylamino-tetrahydro-pyran-2-yloxy]-5-ethoxycarbonylamino-2,3-dihydroxy-cyclohexyl}-carbamic acid ethyl ester
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 2: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 3: methanol 4: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 5: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 80 percent aq. AcOH / 60 °C 2: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 3: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 4: methanol 5: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 6: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
((2R,3S,4S,5R,6R)-3,5-Bis-benzyloxy-2-benzyloxymethyl-6-bromo-tetrahydro-pyran-4-yl)-(2,4-dinitro-phenyl)-amine
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 2: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 3: methanol 4: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 5: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
(3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(2,4-dinitro-phenylamino)-tetrahydro-pyran-2-ol
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 25 percent HBr / CHCl3 / 5 °C 2: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 3: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 4: methanol 5: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 6: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 6 N aq. HCl, AcOH / 90 °C 2: 25 percent HBr / CHCl3 / 5 °C 3: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 4: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 5: methanol 6: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 7: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 10 steps 1: NaOAc 2: 56 percent / NaBH4 / aq. ethanol / 0.5 h / 5 °C 3: H2 / Raney Ni (T-4) / 760 Torr 4: Na2CO3 / H2O; dioxane 5: 80 percent aq. AcOH / 60 °C 6: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 7: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 8: methanol 9: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 10: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: methanol 2: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 3: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
Acetic acid (4R,6S,7R,7aS)-7-[(2R,3R,6S)-6-(acetylamino-methyl)-3-benzyloxycarbonylamino-tetrahydro-pyran-2-yloxy]-6-benzyloxycarbonylamino-2,2-dimethyl-4-nitro-hexahydro-benzo[1,3]dioxol-5-yl ester
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1: 56 percent / NaBH4 / aq. ethanol / 0.5 h / 5 °C 2: H2 / Raney Ni (T-4) / 760 Torr 3: Na2CO3 / H2O; dioxane 4: 80 percent aq. AcOH / 60 °C 5: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 6: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 7: methanol 8: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 9: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 2: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
C56H71N7O19
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 2: methanol 3: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 4: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
[(2R,3R,6S)-6-(Acetylamino-methyl)-2-((1R,2S,4R,6R)-2-benzyloxycarbonylamino-3,5,6-trihydroxy-4-nitro-cyclohexyloxy)-tetrahydro-pyran-3-yl]-carbamic acid benzyl ester
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 11 steps 1: d-10-camphorsulfonic acid / dimethylformamide 2: NaOAc 3: 56 percent / NaBH4 / aq. ethanol / 0.5 h / 5 °C 4: H2 / Raney Ni (T-4) / 760 Torr 5: Na2CO3 / H2O; dioxane 6: 80 percent aq. AcOH / 60 °C 7: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 8: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 9: methanol 10: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 11: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
{(3aS,4R,5S,7R,7aS)-4-[(2R,3R,6S)-6-(Acetylamino-methyl)-3-benzyloxycarbonylamino-tetrahydro-pyran-2-yloxy]-2,2-dimethyl-7-nitro-hexahydro-benzo[1,3]dioxol-5-yl}-carbamic acid benzyl ester
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: H2 / Raney Ni (T-4) / 760 Torr 2: Na2CO3 / H2O; dioxane 3: 80 percent aq. AcOH / 60 °C 4: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 5: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 6: methanol 7: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 8: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
methyl-β-kanopyranosaminide
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1: Na2CO3 / H2O; acetone 2: BaO, Ba(OH)2*8H2O / dimethylformamide 3: 6 N aq. HCl, AcOH / 90 °C 4: 25 percent HBr / CHCl3 / 5 °C 5: 77 percent / AgClO4, sym-collidine / benzene; dioxane / 0.5 h / 24 °C 6: 1.) Dowex 1*2(OH- form); 2.) Ba(OH)2*8H2O / 1.) acetone, H2O; 2.) dioxane, H2O 7: methanol 8: H2 / 5 percent Pd/C / acetic acid / 1900 Torr 9: 70 percent / 80 percent aq. NH2NH2 / 72 h / 100 °C View Scheme |
3-acetamido-2,4,6-tri-O-benzyl-3-deoxy-α-D-glucopyranosyl chloride
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 3.7 g / silver toluene-p-sulphonate / benzene; CH2Cl2 / 1.) 40 deg C, 24 h, 2.) 25 deg C, 72 h 2: 1 percent / ammonia, sodium / tetrahydrofuran / 0.75 h / -80 °C View Scheme |
(1S,2R,3R,4S,6R)-4,6-diamino-3-[(2R,3R,6S)-3-amino-6-(aminomethyl)tetrahydropyran-2-yl]oxy-cyclohexane-1,2-diol
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 87 percent / aq. sodium hydrogencarbonate / methanol / 25 °C 2: 3.7 g / silver toluene-p-sulphonate / benzene; CH2Cl2 / 1.) 40 deg C, 24 h, 2.) 25 deg C, 72 h 3: 1 percent / ammonia, sodium / tetrahydrofuran / 0.75 h / -80 °C View Scheme |
1,3,2',6'-tetrakis-N-benzyloxycarbonylgentamine C1a
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 3.7 g / silver toluene-p-sulphonate / benzene; CH2Cl2 / 1.) 40 deg C, 24 h, 2.) 25 deg C, 72 h 2: 1 percent / ammonia, sodium / tetrahydrofuran / 0.75 h / -80 °C View Scheme |
1,3,2',6',3''-penta-N-benzylsulfonyl-2''-O-benzylsulfonyl-3',4'-dideoxykanamycin B-3'-ene
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 84 percent / sodium, ethanol / liquid ammonia / 0.67 h / -60 - -55 °C 2: 98 percent / hydrogen / platinum oxide / H2O View Scheme |
1,3,2',6',3''-penta-N-benzylsulfonyl-2''-O-benzylsulfonyl-4'',6''-O-cyclohexylidene-3',4'-dideoxykanamycin B-3'-ene
dibecacin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 600 mg / acetic acid / 0.5 h / 90 °C 2: 84 percent / sodium, ethanol / liquid ammonia / 0.67 h / -60 - -55 °C 3: 98 percent / hydrogen / platinum oxide / H2O View Scheme |
dibecacin
di-tert-butyl dicarbonate
3',4'-dideoxy-1,3,2',6',3''-pentakis(N-tert-butoxycarbonyl)kanamycin B
Conditions | Yield |
---|---|
With triethylamine In water at 60℃; for 0.666667h; | 96% |
With triethylamine In 1,4-dioxane at 60℃; for 1.5h; | 90% |
dibecacin
benzyl chloroformate
1,3,2',6',3''-pentakis(N-benzyloxycarbonyl)-3',4'-dideoxykanamycin B
Conditions | Yield |
---|---|
With sodium carbonate In water; acetone | 92% |
chloro-trimethyl-silane
dibecacin
Conditions | Yield |
---|---|
With 1,1,1,3,3,3-hexamethyl-disilazane In acetonitrile at 90℃; for 16h; Temperature; Time; | 73% |
dibecacin
Conditions | Yield |
---|---|
With pyruvate kinase; recombinant Enterococcus faecium aminoglycoside 2''-phosphotransferase type IIa N196D/D268N mutant; potassium chloride; phosphoenolpyruvate trianion; ATP; NADH; magnesium chloride; lactate dehydrogenase pH=7.5; Kinetics; Reagent/catalyst; aq. HEPES buffer; Enzymatic reaction; |
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