Ray of light: 10a,11‐Dihydro‐10H‐benzo[b]fluorenes were synthesized by a visible‐light‐catalyzed tandem cyclization of 1,6‐enynes with arylsulfonyl chlorides. This method extends the scope of enyne cyclizations and represents a new synthetic application of arylsulfonyl chlorides.
光线:10 a,11-二氢-10 H-苯并[ b ]
芴是通过可见光催化的1,6-烯炔与芳基
磺酰氯的串联环化反应合成的。该方法扩展了烯炔环化的范围,代表了芳基
磺酰氯的新合成应用。