Patent ID: 9382264
Filing Date: 2016-07-05
CPC Classification: C07C,C07D,C07F,C09B,H01L

Claim Text:
1. A process for the preparation of compounds of formula wherein n is 0 or 1, R wherein R or R wherein L L and R wherein R or R which process comprises the step of treating a compound of formula wherein n has the meaning as depicted for formula (3), R or R and R wherein R or R a) with MOH, wherein M is at least one alkali metal selected from the group consisting of Na, K and Li, N(R wherein R and b) at least one X-donor selected from the group consisting of X—X, X-succinimide and N,N′-di-X-isocyanuric acid, wherein X is Cl, Br or I, in order to obtain a compound of formula wherein X has the meaning as depicted for the X-donor, n has the meaning as depicted for formula (3), and R