tetrakis(triphenylphosphine) palladium(0)

1: 72 percent / tetrakis(triphenylphosphine)palladium 2: 88 percent / m-CPBA, Na2CO3 View Scheme

tin(IV) chloride; triethylamine 1) CH2Cl2, -10 deg C, 1 h, 2) CH2Cl2, 20 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

boron trifluoride diethyl etherate; 1,8-diazabicyclo[5.4.0]undec-7-ene 1.) CH2Cl2, -78 deg C, 0.5 h, 2.) 190-195 deg C, 2 h; Yield given. Multistep reaction;

Irradiation;

1: 10 percent / N,N'-dimethylimidazolidinone; H2O; InI / Pd(Ph3P)4 / 48 h / 20 °C 2: 85 percent / DMAP / pyridine / 1 h / 20 °C 3: 56 percent / Li; EtNH2; t-BuOH / tetrahydrofuran / 0.17 h / -78 °C View Scheme

1: 72 percent / tetrakis(triphenylphosphine)palladium 2: 88 percent / m-CPBA, Na2CO3 3: 95 percent / H2O / Li2CuCl4 (4 molpercent) 4: 78 percent / H2, p-toluene sulfonic acid / palladium black / ethanol View Scheme

1.1: magnesium / tetrahydrofuran 1.2: 8.72 g / copper(I) cyanide; dimethyl sulfide / tetrahydrofuran / 1 h / -20 °C 2.1: 98 percent / tri-n-butylphosphine / tetrahydrofuran / -20 - 20 °C 3.1: n-BuLi / hexane; hexamethylphosphoric acid triamide; tetrahydrofuran / 2 h / -78 °C 4.1: 89 percent / CuCN*2LiCl / hexane; tetrahydrofuran; hexamethylphosphoric acid triamide / 0.5 h / -78 °C 5.1: 78 percent / sodium azide / dimethylformamide / 24 h / 100 °C 6.1: 100 percent / lithium aluminum hydride / diethyl ether / 12 h / 20 °C 7.1: sodium; dibenzo-18-crwn-6 / liquid ammonia; tetrahydrofuran / 0.67 h / -78 °C View Scheme

暂无反应条件数据

copper(l) iodide in tetrahydrofuran T=-20 - 0°C; 24 h;