Conditions | Yield |
---|---|
With 1,3-bis(2,6-diisopropylphenyl)imidazolylium-2-carboxylate In dichloromethane at 120℃; under 15001.5 Torr; for 24h; | 100% |
With 1-n-butyl-3-methylimidazolim bromide; zinc dibromide at 120℃; under 22502.3 Torr; for 4h; Autoclave; enantioselective reaction; | 99% |
With calcium iodide In neat (no solvent) at 25℃; under 7500.75 Torr; for 24h; | 94% |
Conditions | Yield |
---|---|
With sodium ethanolate at 105 - 110℃; for 8h; Large scale; | 90% |
With sodium methylate In ethanol at 80℃; | 81.2% |
With sodium ethanolate Yield given; |
carbon dioxide
methyloxirane
A
(S)-(+)-4-methyl[1,3]dioxolan-2-one
B
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With 3C42H40N2O6(4-)*4Cd(2+)*4Ni(2+)*Cl(1-)*6H2O*C42H41N2O6(3-)*5C3H7NO; tetrabutylammomium bromide In neat (no solvent) at 80℃; under 15001.5 Torr; for 4h; Mechanism; Reagent/catalyst; Temperature; Time; enantioselective reaction; | A n/a B 86% |
With C126H91CoN12O10; tetrabutyl-ammonium chloride In dichloromethane at 25℃; under 7500.75 Torr; for 96h; Autoclave; | A 34.2% B n/a |
With C126H91CoN12O10; tetrabutyl-ammonium chloride In dichloromethane at 25℃; under 7500.75 Torr; for 96h; Autoclave; | A n/a B 31.6% |
carbon dioxide
(S)-1,2-propanediol 2-tosylate
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In tetrahydrofuran; acetonitrile at 60℃; under 3105.31 Torr; for 96h; optical yield given as %ee; enantioselective reaction; | 82% |
carbon dioxide
methyloxirane
A
(S)-(+)-4-methyl[1,3]dioxolan-2-one
B
(R)-propylene oxide
C
(S)-Propylene oxide
D
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; methyloxirane; bis(triphenyl-λ5-phosphanylidene)ammonium fluoride; (1R,2R)-(t-Bu)2salenCoIII(OCOCF3) at -40℃; for 120h; atmospheric pressure; Stage #2: at 20℃; for 4h; Title compound not separated from byproducts; |
methyloxirane
A
(S)-(+)-4-methyl[1,3]dioxolan-2-one
B
(R)-propylene oxide
C
(S)-Propylene oxide
D
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
(1R,2R)-(t-Bu)2salenCoIII(OCOCF3) In chloroform at 10℃; for 18h; Title compound not separated from byproducts; |
O-(methyloxycarbonyl)-hydroxyacetone
A
C5H10O4
B
C5H10O4
C
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With sodium hydroxide; whole-cell catalyst of type E. coli DSM14459, containing (R)-alcohol dehydrogenase from L. kefir and glucose dehydrogenase from T. acidophilum In water at 20℃; for 25.5h; pH=~ 6.5; Product distribution / selectivity; Aqueous phosphate buffer; D-glucose; | A n/a B n/a C n/a |
ethyl-2-oxo-propyl carbonate
A
C6H12O4
B
C6H12O4
C
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With sodium hydroxide; whole-cell catalyst of type E. coli DSM14459, containing (R)-alcohol dehydrogenase from L. kefir and glucose dehydrogenase from T. acidophilum In water at 20℃; for 25.5h; pH=~ 6.5; Product distribution / selectivity; Aqueous phosphate buffer; D-glucose; | A n/a B n/a C n/a |
Conditions | Yield |
---|---|
With sodium hydroxide; whole-cell catalyst of type E. coli DSM14459, containing (R)-alcohol dehydrogenase from L. kefir and glucose dehydrogenase from T. acidophilum In water at 20℃; for 26h; pH=~ 6.5; Product distribution / selectivity; Aqueous phosphate buffer; D-glucose; | A n/a B n/a C n/a |
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In tert-butyl methyl ether at 60℃; for 6h; Product distribution / selectivity; | n/a |
Conditions | Yield |
---|---|
With sulfuric acid |
carbon dioxide
methyloxirane
A
(S)-(+)-4-methyl[1,3]dioxolan-2-one
B
(R)-propylene oxide
C
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With PTAT; salen-type BINOL-based Co(III) chiral catalyst at 25℃; under 3750.38 Torr; for 100h; | |
With tetrabutyl ammonium fluoride at 25℃; under 6000.6 Torr; for 8h; Reagent/catalyst; Autoclave; enantioselective reaction; | A n/a B n/a C n/a |
carbon dioxide
methyloxirane
A
(S)-(+)-4-methyl[1,3]dioxolan-2-one
B
(S)-Propylene oxide
C
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride at 0℃; under 6000.6 Torr; for 8h; Autoclave; enantioselective reaction; | A n/a B n/a C n/a |
(2R)-propane-1,2-diol
carbonic acid dimethyl ester
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene at 120℃; for 0.25h; Flow reactor; |
carbon dioxide
(2R)-propane-1,2-diol
2-methyl-but-3-yn-2-ol
A
3-Hydroxy-3-methyl-2-butanone
B
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; 2-methyl-but-3-yn-2-ol With C15H18N2O2 In acetonitrile at 25℃; under 760.051 Torr; for 24h; Inert atmosphere; Schlenk technique; Stage #2: (2R)-propane-1,2-diol With 1-methyl-2,3,4,6,7,8-hexahydro-1H-pyrimido[1,2-a]pyrimidine In acetonitrile at 25℃; for 24h; Inert atmosphere; Schlenk technique; stereoselective reaction; | A n/a B 96 %Spectr. |
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide at 180℃; for 6.25h; Inert atmosphere; Schlenk technique; | 94% |
N6-(2-hydroxypropyl)adenine
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 130℃; for 8h; Concentration; Reagent/catalyst; Solvent; | 91.5% |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 145℃; Temperature; Large scale; | 89.5% |
With sodium hydroxide In N,N-dimethyl-formamide at 90 - 140℃; for 12h; Inert atmosphere; | 87% |
With sodium hydroxide In N,N-dimethyl-formamide at 130 - 140℃; for 12h; Inert atmosphere; | 87% |
7H-purin-6-ylamine
(R)-1,2-propylene carbonate
B
(R)-9-(2-hydroxypropyl)adenine
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide for 8h; Reflux; | A 8% B 80% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20 - 85℃; for 72.25h; Inert atmosphere; | 76% |
(R)-1,2-propylene carbonate
C13H20O3
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 72h; | 76% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
(R)-1,2-propylene carbonate
(R)-diethyl (((1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonate
Conditions | Yield |
---|---|
Stage #1: adenine; (R)-1,2-propylene carbonate With potassium carbonate In N,N-dimethyl-formamide at 110 - 130℃; for 14h; Inert atmosphere; Stage #2: With magnesium chloride; sodium t-butanolate In N,N-dimethyl-formamide at 60 - 80℃; for 0.5h; Stage #3: diethyl (p-toluenesulfonyloxymethane)phosphonate | 64% |
Stage #1: adenine; (R)-1,2-propylene carbonate With sodium hydroxide In N,N-dimethyl-formamide Heating; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate With magnesium 2-methylpropan-2-olate In N,N-dimethyl-formamide Temperature; Heating; |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 24h; | 50% |
4-methoxy-2-pyrimidone
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-2-pyrimidone With caesium carbonate In N,N-dimethyl-formamide at 120℃; for 0.333333h; Inert atmosphere; Stage #2: (R)-1,2-propylene carbonate In N,N-dimethyl-formamide at 120℃; for 5h; | 45% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 72h; | 24% |
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 90℃; Reflux; | 8.2% |
N,N-dimethyl-formamide
2,6-diaminopurine
(R)-1,2-propylene carbonate
A
(R)-N-(6-amino-9-(2-hydroxypropyl)-9H-purin-2-yl)formamide
B
(R)-1-{2-amino-6-[((R)-2-hydroxypropyl)amino]-9H-purin-9-yl}propan-2-ol
C
(E)-9-(prop-1-en-1-yl)-9H-purine-2,6-diamine
D
(R)-1-{6-amino-2-[(R)-(2-hydroxypropyl)amino]-9H-purin-9-yl}propan-2-ol
E
(R)-9-(2-hydroxypropyl)-2,6-diaminopurine
Conditions | Yield |
---|---|
With sodium hydroxide at 120℃; for 24h; regiospecific reaction; | A 5% B 3% C 0.5% D 3% E n/a |
Conditions | Yield |
---|---|
With [carbonylchlorohydrido{bis[2-(diphenylphosphinomethyl)ethyl]amino}ethylamino] ruthenium(II); potassium tert-butylate; hydrogen In tetrahydrofuran; para-xylene at 140℃; under 38002.6 Torr; for 1h; Autoclave; | A 99 %Chromat. B 99 %Chromat. |
pyridinium p-toluenesulfonate
(R)-1,2-propylene carbonate
2,2,4-trimethyl-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: (R)-1,2-propylene carbonate With [carbonylchlorohydrido{bis[2-(diphenylphosphinomethyl)ethyl]amino}ethylamino] ruthenium(II); potassium tert-butylate; hydrogen In tetrahydrofuran at 140℃; under 38002.6 Torr; for 1h; Autoclave; Stage #2: pyridinium p-toluenesulfonate In acetone at 20℃; for 1h; Autoclave; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 140℃; for 16h; |
N6-Acetyladenine
(R)-1,2-propylene carbonate
Conditions | Yield |
---|---|
Stage #1: N6-Acetyladenine; (R)-1,2-propylene carbonate at 130℃; for 4h; Stage #2: In toluene at 20℃; for 2h; pH=9; Temperature; Cooling; | 21.9 g |
Conditions | Yield |
---|---|
Stage #1: adenine With sodium hydroxide In N,N-dimethyl-formamide at 20℃; for 0.333333h; Stage #2: (R)-1,2-propylene carbonate at 120 - 130℃; for 16h; | A 97.9 %Chromat. B 92.9 %Chromat. |
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