发明名称 Process for the preparation of hydroxybenzaldehydes
摘要 A process is provided for the production of hydroxybenzaldehydes, especially salicylaldehyde, from the oxidation of the corresponding hydroxybenzyl alcohol, especially orthohydroxybenzyl alcohol, with oxygen in an aqueous alkaline medium in the presence of a noble metal catalyst, such as platinum or palladium, and in the presence of a co-catalyst containing bismuth.
申请公布号 US4026950(A) 申请公布日期 1977.05.31
申请号 US19760664675 申请日期 1976.03.08
申请人 RHONE-POULENC INDUSTRIES 发明人 LE LUDEC, JOEL
分类号 C07C47/565;B01J23/00;B01J27/00;B01J31/00;C07C45/00;C07C45/38;C07C67/00;(IPC1-7):C07C45/16 主分类号 C07C47/565
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