Abstract A Ru(II)-catalyzed synthesis of spirobi[indene]dione from phenyl indandione and alkyne is reported. This metal-catalyzed cyclization reaction proceeds through hydroxy group directed C(sp2)–H bond activation, keto–enol tautomerization and alkyne annulation pathways.
劲秉
请叫我风吹麦浪
yar
杳鸢
坚强的广山
毛豆
不安青牛
Singularity
pluto
子车茗
结实的含烟
cocolu
竹筏过海
iNk
藤椒辣鱼
眯眯眼的衬衫
一一
丰知然
aldehyde
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