Rhodium-Catalyzed Asymmetric Allenylation of Sulfonylimines and Application to the Stereospecific Allylic Allenylation

被引:17
作者
Sieber, Joshua D. [1 ]
Angeles-Dunham, Veronica V. [2 ]
Chennamadhavuni, Divya [3 ]
Fandrick, Daniel R. [1 ]
Haddad, Nizar [1 ]
Grinberg, Nelu [1 ]
Kurouski, Dimitry [1 ]
Lee, Heewon [1 ]
Song, Jinhua J. [1 ]
Yee, Nathan K. [1 ]
Mattson, Anita E. [2 ]
Senanayake, Chris H. [1 ]
机构
[1] Boehringer Ingelheim Pharmaceut Inc, Dept Chem Dev, 900 Ridgebury Rd,POB 368, Ridgefield, CT 06877 USA
[2] Ohio State Univ, Dept Chem & Biochem, Columbus, OH 43210 USA
[3] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA
关键词
allylic alkylation; asymmetric allenylation; palladium; phosphorus ligands; rhodium; N-TOSYLARYLIMINES; ENANTIOSELECTIVE SYNTHESIS; COUPLING-CYCLIZATION; ORGANOBORONIC ACIDS; EFFICIENT SYNTHESIS; ARYLBORONIC ACIDS; AMINO ALLENES; CHIRAL LIGAND; ALPHA-AMINO; SUBSTITUTION;
D O I
10.1002/adsc.201600686
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The rhodium-catalyzed asymmetric allenylation of sulfonylimines is disclosed providing silyl homoallenylamide products in up to 99:1 er. Through subsequent activation of the C-N bond of the silyl homoallenyl sulfonamide, palladium-catalyzed stereospecific allylic allenylation could be achieved giving C-C bond formation with high chirality transfer. The synthetic utility of both the silyl homoallenyl sulfonamides and the silyl homoallenyl malonates as bis(nucleophiles) is demonstrated.
引用
收藏
页码:3062 / 3068
页数:7
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