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公开(公告)号:US4980505A
公开(公告)日:1990-12-25
申请号:US285906
申请日:1988-12-16
申请人: Yuh-Guo Pan , Lana L. Hochman
发明人: Yuh-Guo Pan , Lana L. Hochman
IPC分类号: B01J23/44 , C07B35/06 , C07B61/00 , C07C37/00 , C07C39/07 , C07C39/14 , C07C213/02 , C07C213/08 , C07C215/76 , C07C215/86 , C07D317/64
CPC分类号: C07D317/64 , C07C213/08 , C07C37/002 , C07C37/50
摘要: The conversion of ortho-hydroxylated Mannich bases to the corresponding methylated compounds, e.g., cresols, can be effectively carried out using a novel hydrogenation technique.