in pentane W2(i-Pr)2(NMe2)4/pentane soln. was cooled to 0°C. Addn. of 4.1 equiv. of isopropanol; stirring; degassed(HNMe2); after 45 min. addn. of 2.1 equiv. of 2-pentyne at 0°C; stirred 45 min.. Cooled to -20°C; After 12h crystals were harvested by removing of the supernatant liquid and drying in vacuo. Elem. anal. and detected by NMR;
参考文献
Chisholm, Malcolm H.; Eichhorn, Bryan W.; Folting, Kirsten; Huffman, John C.
Organometallics, 1989 , vol. 8, p. 49 - 66
palladium diacetate; tetrabutyl-ammonium chloride; potassium carbonate; triphenylphosphine in N,N-dimethyl-formamide T=100°C; 24 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Larock; Yum; Refvik
Journal of Organic Chemistry, 1998 , vol. 63, # 22 p. 7652 - 7662
