methylation of camphor and its derivatives has been investigated. The stereochemistry of the methyl group has been established by 1H NMR. These studies provide the basis for an enantiospecific approach to the synthesis of vitamin D and its metabolites from readily available dextrorotatory camphor.
                                    已经研究了
樟脑及其衍
生物的甲基化。甲基的立体
化学已经通过1 H NMR确定。这些研究为从容易获得的右旋
樟脑合成
维生素D及其代谢产物提供了对映体特异性方法的基础。