... Page 2. 230 JOURNAL OF CHEMICAL RESEARCH 2011 evaporation of the mother liquor provided crops of (Z)-CA4 (0.145 g) and (Z)-CA4 (0.198 g). The total yield of (Z)-CA4 was 84%. ... 13 JD Olszewski, M. Marshalla, M. Sabat and RJ Sundberg, J. Org. ...