and C=N bonds of α,β‐unsaturated methanesulfonamides, diversified S‐containing heterocyclic spirooxindole derivatives could be obtained in high yields along with good to excellent diastereo‐ and enantioselectivities under mild conditions in the presence of cinchona alkaloid‐derived organocatalysts.
根据3-异
硫氰酸根合
吲哚的不对称区域选择性[3 + 2]或[3 + 2] / [4 + 2]级联反应,α,β-不饱和甲磺酰胺的C = C和C = N键,使S-多样化在存在
金鸡纳
生物碱衍生的有机催化剂的条件下,在温和条件下,可以高收率获得含有杂环螺氧杂
吲哚衍
生物的化合物,并具有良好的非对映选择性和对映选择性。