Efficient control for the cationic platinum(II)-catalyzed concise synthesis of two types of fused carbocycles with angular oxygen functionality.

(1) Chromium(0)-Catalyzed Tandem Cyclization of α,β-Unsaturated Thioimidates Containing an Enyne Moiety Karibe, Y.; Kusama, H.; Iwasawa, N.* Angew. Chem. Int. Ed. in press. (2) Efficient Control for the Cationic Platinum(II)-Catalyzed Concise Synthesis of Two Types of Fused Carbocycles with Angular Oxygen Functionality Kusama, H.; Watanabe, E.; Ishida, K.; Iwasawa, N.* Chem.–Asian J. 2011, 6, 2273-2277. (3) [3+2] Cycloaddition of Metal-Containing Azomethine Ylides for Highly Efficient Synthesis of Mitosene Skeleton Takaya, J.; Miyashita, Y.; Kusama, H.; Iwasawa, N.* Tetrahedron 2011, 67, 4455-4466. (4) Rhenium(I)and Tungsten(0)-Catalyzed Tandem Cyclization of Acetylenic Dienol Silyl Ethers Based on Geminal Carbo-Functionalization of Alkynes Kusama, H.; Karibe, Y.; Imai, R.; Onizawa, Y.; Yamabe, H.; Iwasawa, N.* Chem.–Eur. J. 2011, 17, 4839-4848. (5) Photochemically Promoted Transition Metal-Free Cross Coupling of Acylsilanes with Organoboronic Esters Ito, K.; Tamashima, H.; Iwasawa, N.; Kusama, H.* J. Am. Chem. Soc. 2011, 133, 3716-3719.