Carbonylation of T butyl alcohol to ester of I valeric acid catalyzed by palladium catalyst

钯 － 膦 － 酸 体系催化叔丁醇羰化制 备 异 戊酸酯

Most of the specimens containing acetic acid propionic acid butyric acid isobutyric acid valeric acid lactic acid and succinic acid which were accorded with the result of bacteriologic study .

在大多数标本中含有乙酸、丙酸、丁酸、异丁酸、 戍 酸、乳酸和琥珀酸，与细菌 培养的结果基本相符。

The physical property of pregabalin and six different synthetic routes for preparing pregabalin starting with 4-methyl valeric acid and isovaleraldehyde were introduced separately .

介绍普瑞巴林的物理性质及其6种分别以4-甲基 戊酸和异戊醛为原料的不同合成方法。

One of the methods is studied to synthesize 1 . The reaction is carried out from a material of valeric acid and 1 is prepared by bromization hydrolysis and reduction .

研究了1戊二醇的合成方法，以正 戊酸为原料，经过溴代、水解和还原反应制得1戊二醇。

Pyrolysis of Propyl Malonic Acid and Isopropyl Malonic Acid and Their Conversion to Valeric Acid and Iso valeric Acid in Tobacco Smoke

丙基丙二酸和异丙基丙二酸热分解向 卷烟烟气释放 戊酸和异戊酸的研究