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Benzenepropanal, a-methyl-

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Name

Benzenepropanal, a-methyl-

EINECS 226-654-9
CAS No. 5445-77-2 Density 0.968g/cm3
PSA 17.07000 LogP 2.06410
Solubility N/A Melting Point N/A
Formula C10H12 O Boiling Point 215.3°Cat760mmHg
Molecular Weight 148.205 Flash Point 90.5°C
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 5445-77-2 (2-methyl-3-phenylpropionaldehyde) Hazard Symbols N/A
Synonyms

Hydrocinnamaldehyde,a-methyl- (6CI,7CI,8CI);2-Benzylpropanal;2-Benzylpropionaldehyde;2-Methyl-3-phenylpropanal;2-Methyl-3-phenylpropionaldehyde;Methylhydrocinnamaldehyde;NSC 22266;a-Benzylpropionaldehyde;a-Methylbenzenepropanal;a-Methylhydrocinnamaldehyde;

Article Data 160

Benzenepropanal, a-methyl- Synthetic route

1504-55-8, 39924-63-5, 55131-20-9

(E)-3-phenyl-2-methyl-2-propenol

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With (1,5-cyclooctadiene)(pyridine)(tricyclohexylphosphine)iridium(I) tetrakis[3,5-bis(trifluoromethyl)phenyl]borate; hydrogen In tetrahydrofuran at 23℃; for 1h;100%
With cis-chloromethyl[bis(dicyclohexylphosphino)ethane]palladium(II); sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane; cyclohexene at 20 - 85℃; for 18h; Inert atmosphere; Sealed tube;92%
With iron pentacarbonyl In pentane for 1h; UV-irradiation;90%
1504-55-8

2-methyl-3-phenylprop-2-en-1-ol

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With [Os(η(5)-C5,κ-N-Cp(N))(CH3CN)2]PF6 In tetrahydrofuran-d8 at 60℃; for 13h; Inert atmosphere;98%
With C51H41P2Ru(1+)*C32H12BF24(1-) In toluene at 20℃; for 4h;
101-39-3

2-methyl-3-phenyl-2-propenal

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With [RhCl(PPh3)]; hydrogen; sodium acetate; triphenylphosphine In benzene at 110℃; under 103430 Torr; for 24h;96%
With hydrogen In ethanol at 20℃; under 760.051 Torr; for 2h; chemoselective reaction;96%
With hydrogen In ethanol at 20℃; under 760.051 Torr; for 2h; chemoselective reaction;94%
15174-47-7

α-methyl-trans-cinnamaldehyde

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With La(pta)3; hydrogen; palladium on activated charcoal In benzene under 750.06 Torr; Ambient temperature;95%
With hydrogen; β-cyclodextrin/Pd In water at 25℃; under 15001.2 Torr; for 2h;91%
With triethanolamine; [RuII(2,2′-bipyrazyl)2(4,4′-dichloro-2,2′-bipyridyl)]Cl2; thermophilic Old Yellow Enzyme; paraquat dichloride In ethanol; water at 20℃; for 4h; pH=8; Reagent/catalyst; Solvent; Time; pH-value; UV-irradiation;68%
104-53-0

3-phenyl-propionaldehyde

50-00-0

formaldehyd

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
Stage #1: 3-phenyl-propionaldehyde; formaldehyd With pyrrolidine; p-N,N-dimethylaminobenzoic acid In dichloromethane; water at 45℃; for 0.25h;
Stage #2: With hydrogenchloride; triethylsilane; palladium dichloride; tricyclohexylphosphine In dichloromethane; water at 0 - 20℃; Darkness;
95%
5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
Swern oxidation;94%
With sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide In dichloromethane at -10 - -5℃; for 0.416667h; pH=9.5;84%
With chromium(VI) oxide82%
30457-88-6

2-benzyl-2-propenal

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With triethylsilane; palladium dichloride; tricyclohexylphosphine In tetrahydrofuran; water at 20℃; for 1h;93%
With triethylsilane; sulfuric acid; 5%-palladium/activated carbon In tetrahydrofuran at 20℃; for 0.5h;92%
Stage #1: 2-benzyl-2-propenal With triethylsilane; 5%-palladium/activated carbon In water; acetonitrile at 20℃; for 2h;
Stage #2: With oxygen In water; acetonitrile at 20℃;
637-50-3

1-phenylpropene

201230-82-2

carbon monoxide

A

5445-77-2

2-benzylpropionaldehyde

B

2439-43-2

(2RS)-2-phenylbutanal

Conditions
ConditionsYield
With hydrogen; carbonylhydridetris(triphenylphosphine)rhodium(I) In benzene at 90℃; under 76000 Torr; for 48h;A 7.2%
B 92.8%
With acetylacetonatodicarbonylrhodium(l); trisodium tris(3-sulfophenyl)phosphine; heptakis(2,6-di-O-methyl)cyclomaltoheptaose; hydrogen In water at 80℃; under 38000 Torr; for 6h; stainless steel autoclave; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
250607-20-6

3-(1'-hydroxy-2'-benzylpropyl)-5,5-dimethyloxazolidin-2-one

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With sodium hydroxide; sodium hydrogensulfite Elimination;91%
250607-20-6

3-(1'-hydroxy-2'-benzylpropyl)-5,5-dimethyloxazolidin-2-one

A

1121-83-1

5,5-dimethyl-oxazolidin-2-one

B

5445-77-2

2-benzylpropionaldehyde

Conditions
ConditionsYield
With sodium hydroxide; sodium hydrogensulfite for 6h; pH=9;A 81%
B 91%
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