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外観
無色〜わずかにうすい黄色, 澄明の液体
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溶解性
エタノール及びアセトンに溶けるが、水にほとんど溶けない。
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用途
有機合成原料、香料材料。
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使用上の注意
不活性ガス封入
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化学的特性
Phenylpropyl aldehyde occurs in Sri Lanka
cinnamon bark oil, among others. The aldehyde is a colorless liquid with a
strong, floral, slightly balsamic, heavy hyacinth-like odor. It tends to undergo
self-condensation. Dihydrocinnamaldehyde can be obtained with scarcely any byproducts
by selective hydrogenation of cinnamaldehyde. It is used in perfumery
for hyacinth and lilac compositions.
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天然物の起源
Reported found in the essential oil of Ceylon cinnamon and in strawberry. Also reported found in tomato, cinnamon,
cassia leaf, Gruyere de Comte cheese, beer, cooked trassi, origanum (Spanish) and strawberry.
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使用
3-Phenylpropanal (cas# 104-53-0) is a compound useful in organic synthesis.
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製造方法
From phenyl propionitrile; also from cinnamic aldehyde diethylacetal.
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調製方法
Henylpropyl aldehyde is most commonly prepared by the partial hydrogenation of cinnamaldehyde. The 3-phenylpropanal that is formed during the hydroformylation of styrene can be separated from the isomeric 2-phenylpropanal as the bisulfite adduct. The Rosenmund reduction of dihydrocinnamoyl chloride in the presence of Pd/BaSO4 gives good yields of the aldehyde. The reaction of 2-propen-1-ol and phenylmercury chloride with CuCl2 and LiPdCl4 catalysts in methanol, and the reaction of phenyl bromide and allyl alcohol in the presence of PdCl2 and NaHCO3 in nonpolar solvents also lead to the formation of 3-phenylpropanal.
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一般的な説明
Hydrocinnamaldehyde is C=C double bond hydrogenated cinnamaldehyde. It has been synthesized by the selective hydrogenation of C=C double bond of cinnamaldehyde by various methods. Hydrocinnamaldehyde and nitromethane undergoes Henry reaction to form nitroaldols. The C1 and C3 position labelled with 13C of hydrocinnamaldehyde was subjected to mass spectrometry and the fragmentation pattern was elucidated.
