C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/750, 260/493
C07C 69/157 (2006.01) C07C 17/20 (2006.01) C07C 29/58 (2006.01) C07C 41/01 (2006.01) C07C 69/14 (2006.01) C07C 67/00 (2006.01)
Patent
CA 1133932
ABSTRACT OF THE DISCLOSURE The invention relates to a process for nucleophilic substitution reactions. According to the invention the reaction is carried out in a heterogeneous system, consisting of a solid and a dissolved reactant, one or several organic and/or amino compounds and water. The volume of the water is at the most 100 % of the volume of the organic solvent and preferably 5 %. According to the invention the anhydrous reaction medium which is difficult to ensure, is not necessary and the use of the expensive and industrial scales un- available crown ethers is eliminated.
313793
Nagy Lajos
Rusznak Istvan
Szabo Gabor
Szabo Gabor T.
Toke Laszlo
Chinoin Gyogyszer - Es Vegyeszeti Termekek Gyara Rt.
Fetherstonhaugh & Co.
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