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Basic Information
| CAS No.: | 558-43-0 |
|---|---|
| Name: | 2-methylpropane-1,2-diol |
| Article Data: | 77 |
| Molecular Structure: | |
|
|
|
| Formula: | C4H10 O2 |
| Molecular Weight: | 90.1222 |
| Synonyms: | 1,2-Dihydroxy-2-methylpropane;1,2-Dihydroxyisobutane; 2-Hydroxy-2-methylpropanol; 2-Methyl-1,2-propanediol;2-Methyl-2-hydroxypropanol; Isobutene glycol; Isobutylene glycol |
| Density: | 1.005g/cm3 |
| Melting Point: | 0.07°C (estimate) |
| Boiling Point: | 176°Cat760mmHg |
| Flash Point: | 73.7°C |
| PSA: | 40.46000 |
| LogP: | -0.25040 |
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Synthetic route
- 91968-71-7
2-(benzyloxy)-2-methylpropan-1-ol
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2-Methyl-1,2-propanediol
Conditions
| Conditions | Yield |
|---|---|
| With hydrogen; 20% Pd(OH)2/C In methanol at 20℃; under 1551.49 Torr; for 1.16667h; | 99% |
Conditions
| Conditions | Yield |
|---|---|
| With [carbonylchlorohydrido{bis[2-(diphenylphosphinomethyl)ethyl]amino}ethylamino] ruthenium(II); potassium tert-butylate; hydrogen In tetrahydrofuran at 140℃; for 12h; Autoclave; | A > 99 %Chromat. B 97% |
| With [bis({2‐[bis(propan‐2‐yl)phosphanyl]ethyl})amine](bromo)(carbonyl)(hydride)iron(II); potassium tert-butylate; isopropyl alcohol In tetrahydrofuran at 140℃; for 12h; Inert atmosphere; Schlenk technique; Green chemistry; | A 86 %Chromat. B 92% |
| With potassium phosphate; C62H63N5OPRu(1+)*Cl(1-); hydrogen In tetrahydrofuran at 140℃; under 38002.6 Torr; for 24h; Glovebox; Autoclave; | A 95 %Chromat. B 99 %Chromat. |
- 67470-70-6
(2S,3R)-2,3-Dihydroxy-4-methyl-5-phenylpent-4-ene
A
- 558-43-0
2-Methyl-1,2-propanediol
B
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<<2α(R),3β>-1S,2S>-1-(2-methyl-3-phenyloxiranyl)-1,2-propanediol
Conditions
| Conditions | Yield |
|---|---|
| With titanium(IV) isopropylate; 2-hydroperoxy-2-methyl-1-propanol; 4 A molecular sieve at 20℃; for 1h; other reagents: 2,3-dimethyl-3-hydroperoxy-2-butanol, 2-hydroperoxy-2-phenyl-1-ethanol, m-chloroperoxybenzoic acid, NaHCO3, dimethyldioxirane; | A n/a B 91% |
Conditions
| Conditions | Yield |
|---|---|
| With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; | 86% |
| With barium copper chromite at 200℃; under 128714 Torr; Hydrogenation; | |
| With copper chromite at 100 - 125℃; under 257428 Torr; Hydrogenation; |
Conditions
| Conditions | Yield |
|---|---|
| With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 1h; | 82.6% |
| Stage #1: methyl 2-hydroxy-2-methylpropionate With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; Stage #2: With water; sodium hydroxide In tetrahydrofuran | 68% |
| With potassium tert-butylate; hydrogen; [tris(μ-chloro)bis((triphos)ruthenium(II))] chloride In methanol at 100℃; under 30003 Torr; for 13h; Inert atmosphere; Autoclave; | 90.4 %Chromat. |
| With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 12.3333h; |
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A
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2-methylglycidol
B
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2-Methyl-1,2-propanediol
C
- 89346-46-3
2-methyl-2-tert-butoxypropane-1,3-diol
Conditions
| Conditions | Yield |
|---|---|
| With lithium aluminium tetrahydride In diethyl ether for 9h; mol ratio 1:3; | A 10.7% B 33.4% C 55.9% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 0℃; | 53% |
Conditions
| Conditions | Yield |
|---|---|
| With sodium perchlorate; water at 35℃; Rate constant; ionic strength: 2.0; kinetic isotope effect; | |
| With sulfuric acid at 90℃; | |
| With sulfuric acid; water | |
| With phosphoric acid In water at 20℃; | |
| With water-d2; hydrogen chloride |
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydrogencarbonate at 195℃; under 37510.9 Torr; |
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