2-Sulfinyl dienols undergo an efficient base-promoted cyclization to produce sulfinyl dihydropyrans with creation of two asymmetric centers. The configurational stability of the allylic sulfoxide in most cases is noteworthy. Simple manipulations lead to a variety of functionalized tetrahydropyrans.
2-亚磺酰基二烯醇通过有效的碱促进环化反应生成亚磺酰基二氢
吡喃并产生两个不对称中心。在大多数情况下,烯丙基亚砜的构型稳定性值得注意。简单的操作会产生各种功能化的
四氢吡喃。