5-(R)-(l-(艹)(孟)氧基)-2(5H)-呋喃酮(A)与苯甲醛肟(B)进行1,3-偶极环加成反应时得到两个产物, 我们应用NOE及HMBC技术确证了它们......

Scvcral isoxazolinc compounds were obtained by the 1,3-dipolar cycloaddition of benzonitrile oxide to 5-(R)-(l-menthylox......

The relative stereochemistry of an intermediate 2 in the total synthesis of hainanolide 1 was studied by various NMR spe......

The configurations of substituted phenyl furoisoxazolines were determined by study on their 1H-NMR and 1D NOESY. The cha......