The front cover picture, provided by Qiang Kang and co‐workers, illustrates an efficient bimetallic gold(I)/chiral rhodium(III) Lewis acid asymmetric relay catalysis. The gold(I)‐catalyzed 5‐exo‐dig intramolecular cyclization of alkynyl alcohol or amide can afford an active electron‐rich cyclic intermediate, which is in situ trapped by β,γ‐unsaturated α‐keto esters activated by a chiral Rh(III) Lewis acid catalyst. The corresponding chiral spiroketals and spiroaminals were obtained in high yields with good stereoselectivities. Details can be found in the communication on pages 4031–4036 (J. Gong, Q. Wan, Q. Kang, Adv. Synth. Catal. 2018, 360, 4031–4036; DOI: 10.1002/adsc.201800492).

中文翻译：

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封面图片：金（I）/手性Rh（III）Lewis酸继电催化可实现螺缩酮和螺缩醛的不对称合成（Adv。Synth.Catal.21 / 2018）

强康及其同事提供的封面图片展示了一种有效的双金属金（I）/手性铑（III）Lewis酸不对称中继催化。金（I）催化的炔醇或酰胺的5- exo - dig分子内环化反应可提供一种活性丰富的环状电子中间体，该中间体原位被手性Rh（ III）路易斯酸催化剂。以高收率和良好的立体选择性获得了相应的手性螺环酮和螺环醛。细节可以在上4031-4036（J.龚，Q.万，Q.康，页面的通信中找到进阶合成器。CATAL。2018，360，4031–4036; DOI：10.1002 / adsc.201800492）。