Cahours
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1873 , vol. 76, p. 753
Jahresbericht ueber die Fortschritte der Chemie und Verwandter Theile Anderer Wissenschaften, 1873 , p. 520
dilithium salt of (2S,5S)-2, 5-diisopropylpiperazine 1) toluene, hexane, RT, 30 min, 2) RT, 20h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Soai, Kenso; Niwa, Seiji; Watanabe, Masami
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1989 , p. 109 - 113
dilithium salt of (2S,5S)-2, 5-diisopropylpiperazine 1) toluene, hexane, RT, 30 min, 2) RT, 20h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Soai, Kenso; Niwa, Seiji; Watanabe, Masami
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1989 , p. 109 - 113
copper(l) iodide; EtZnBr in neat (no solvent)
CuI, Zn were placed in reactor, evacuated for 10 min, filled with Ar, ligand and EtZnBr were added, heated to 50°C for 7 h, cooled to room temp.; sepd., vac. distilled;
参考文献
Eremeev; Danov; Skudin; Sakhipov
Russian Journal of General Chemistry, 2003 , vol. 73, # 4 p. 556 - 559
magnesium in toluene
under N2, Cl-compd. was added to Et2O suspn. of the activated Mg, stirring for 2 h, soln. was filtered and anhyd. ZnCl2 was added, stirring overnight; soln. was filtered, volatiles were removed in vac.;
参考文献
Green, Malcolm L.H.; Conway, Stephen L.J.; Doerrer, Linda H.
Polyhedron, 2005 , vol. 24, # 11 p. 1388 - 1403
in further solvent(s)
8.76 g CuI and 50 g Zn powder vacuum-treated for 10 min; dry oxygen-freeAr passed; propyl bromide and ethylzinc bromide in propyl bromide sol. added; stirred at 50.degree C; cooled to room temp.; solid residue remov ed;; vac. distn.; GLC;
参考文献
Eremeev; Danov; Sakhipov; Skudin
Russian Journal of Applied Chemistry, 2001 , vol. 74, # 8 p. 1410 - 1412