作者:Karla Sánchez-Sánchez、Antonio A. Castillo-García、Marisol Cervantes-Vásquez、Naytzé Ortiz-Pastrana、M. Angeles Paz-Sandoval
DOI:10.1016/j.jorganchem.2019.120929
日期:2019.11
The metathesis reaction of IrCl(CO)(PPh3)2 (4) and Vaska-type derivatives IrCl(CO)(PR3)2 (PR3 = MePh2, 5; Me2Ph, 6; Me3, 7) with 1–2 equivalents of the potassium butadienesulfinate salts K(SO2CHCRCHCH2) (R = H, 2; Me, 3) led to the formation of mixtures of chiral diastereomers “a” and “b” of general formula Ir(1–2,5-η-CH2CHCRCHSO2)(CO)(L)2 (R = H, L = PPh3, 8a,b; PMePh2, 9a,b; PMe2Ph, 10a,b; PMe3,
的IrCl(CO)(PPH的复分解反应3)2(4)和沃什卡型衍生物的IrCl(CO)(PR 3)2(PR 3 =麦菲2,5 ;我2 PH,6 ;我3,7)与1-2当量的丁二烯亚磺酸钾盐K(SO 2 CHCRCHCH 2)(R = H,2 ; Me,3)导致形成通式Ir(1)的手性非对映异构体“ a ”和“ b ”的混合物–2,5-η-CH 2 CHCRCHSO 2)(CO)(L)2(R = H,L = PPH 3,图8a,b ; PMePh 2,图9a,b ; PME 2 PH,10A,b ; PME 3,图11A,b ; R = Me中,L = PPH 3,图12A,b ; PMePh 2,13a中,b ; PME 2 PH,14A,b ; PME 3,图15A,b)在异构体“一“两个膦配体L均位于丁二烯磺酰基配体的开口处,并且分别位于同一非平面配体的非配位双键之间;而CO与SO 2基相反。在异构体“