Gold(I)-catalyzed synthesis of (1E,3E)-dienes from propargylic esters
作者:Alexander S. Dudnik、Todd Schwier、Vladimir Gevorgyan
DOI:10.1016/j.jorganchem.2008.08.010
日期:2009.2
A mild and stereoselective gold(I)-catalyzed domino transformation of propargylicesters leading to substituted (1E,3E)-dienes has been developed. This cascade process proceeds via a sequence of 1,3-acyloxy- or 1,3-phosphatyloxy migrations to form allenic intermediate followed by a proton transfer.
已经开发了一种温和且立体选择性的金 (I) 催化的炔丙酯的多米诺转化,导致取代的 (1 E ,3 E )-二烯。该级联过程通过一系列 1,3- 酰氧基或 1,3- 磷脂酰氧基迁移形成丙二烯中间体,然后进行质子转移。
Gold(I)-catalyzed double migration cascades toward (1E,3E)-dienes and naphthalenes
作者:Alexander S. Dudnik、Todd Schwier、Vladimir Gevorgyan
DOI:10.1016/j.tet.2008.10.109
日期:2009.2
A novel gold(I)-catalyzed cascade cycloisomerization of a variety of propargylic esters leading to unsymmetrically substituted naphthalenes has been developed. This domino process involves an unprecedented tandem sequence of 1,3- and 1,2-migrations of two substantially different migrating groups. It is believed that this transformation proceeds via formation of 1,3-diene intermediate or its equivalent