diethyl ether Leiten von HCl in eine Loesung des Reaktionsprodukts in Aethanol;
参考文献
Hey; Wibaut
Recueil des Travaux Chimiques des Pays-Bas, 1953 , vol. 72, p. 522,524,525
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Zimmer; George
Chemische Berichte, 1956 , vol. 89, p. 2285,2286
tert.-butyl lithium; (4S)-2,2'-(1-Ethylpropylidene)bislt;4-(1-methylethyl)-4,5-dihydrooxazolegt; in hexane T=-110 - -78°C; Carboxylation; 5 h; Title compound not separated from byproducts;
1: With (t-BuO)B(pin); 4,4,5,5-tetramethyl-[1,3,2]dioxaborolane in tetrahydrofuran T=65°C; P=760.051 Torr; 45 h; Inert atmosphereSchlenk technique; 2: With hydrogenchloride in tetrahydrofuran; water