An efficient ligand-free Pd(OAc)2-catalyzed selectivearylation of pyridine N-oxides using potassium (hetero)aryltrifluoroborates as coupling partners via C–H bond activation was achieved in the presence of TBAI. This approach has a broad substrate scope and shows moderate to high yields.
Method for processing silver halide light sensitive photographic material
申请人:KONICA CORPORATION
公开号:EP0823658A1
公开(公告)日:1998-02-11
A processing method of a silver halide photographic material by using an automatic processor is disclosed, comprising the steps of developing an exposed photographic material with a developing solution in a developing tank, fixing with a fixing solution in a fixing tank and washing with a washing water or a rinsing solution in a washing tank, wherein the washing water or rinsing solution has the numer of funguses of 100 or less per ml.