Reversible allylstannation of carbonyl compounds; a new route to mixed allyltins via allylcarbinols
作者:Valerio Peruzzo、Giuseppe Tagliavini
DOI:10.1016/s0022-328x(00)89078-6
日期:1978.12
Di-n-butylallyltin chloride readily adds to ketones and aldehydes to form organotin alkoxides of the type: n-Bu2ClSnOCR′R(CH2CHCH2). In some cases this reaction is reversible. Thus, under suitable conditions, alkoxides of the type: n-Bu2XSnOCMeR(CH2CHCH2) (X n-Bu, Cl; R Me, i-Pr, i-Bu, t-Bu), obtained by transalkoxylation reactions, furnish ketones and mixed allyltins, n-Bu2YSn-(CH2CHCH2) (Y
二正butylallyltin氯化物容易增加了酮和醛以形成有机锡类型的醇盐:正丁基2 ClSnOCR'R (CH 2 CHCH 2)。在某些情况下,这种反应是可逆的。因此,合适的条件下,所述类型的醇盐:正丁基2 XSnOCMeR(CH 2 CHCH 2)(X正丁基,氯; RMe中的i-PR,I-卜,叔丁基),通过transalkoxylation反应,配料酮和混合allyltins,正丁基获得2 YSn-(CH 2 CHCH 2)(Y正丁基,CH 2 CHCH 2,Cl)。在这些发现的光,allyldialkyl原醇已经被催化由诸如正丁基锡化合物被氧化成酮2 XSN(CH 2 CHCH 2)(X正丁基,C1)和正丁基3 SnOCOMe。