The yield of furil increased to 91.7%(from 2-furaldehyde) after improvements in experimental procedure.
通过改进实验条件,使合成糠偶酰的产率提高到91.7%。
2
The structures of these compounds were determined as friedelin(1), 5 hydroxymethyl furaldehyde(2), limonin(3), nomilin(4), daucosterol(5)by spectral methods.