2,2-dimethyl-2,3-dihydrothiopyran-4-yl-ethynylphenylchloroarsine 、
2,2-dimethyl-4-ethynyl-2,3-dihydropyran 在
lithium aluminium tetrahydride 作用下,
生成 2,2-dimethyl-2,3-dihydropyran-4-yl-ethynyl-(2,2-dimethyl-2,3-dihydrothiopyran-4-yl-ethynyl)phenylarsine