Seven representative 1,2-cycloalkanediols of ring size 6-14 were prepared in high yield by titanium-induced pinacol coupling of dialdehydes. Cis stereochemistry predominated in six- and eight-membered rings, but trans products were formed in ring sized ten and above.
通过
钛诱导的二醛
频哪醇偶联高产率地制备了7个具有代表性的环尺寸为6-14的1,2-环烷二醇。顺式立体
化学在六元和八元环中占主导地位,但反式产物在十元及以上的环中形成。