为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

(+)CM1, (-)CM1 as well as (±)CM1–the metabolites of clausenamide were synthesized from (-phenyl-(N-p-methoxylbenzyl)-e......

Intramolecular cyclization of β -methyl substituted epoxide under aprotics (e.g. LDA in benzene) and protic conditions ......