Patent ID: 6143896
Filing Date: 2000-11-07
Classification: C07C,C07D

Abstract:
A process for preparing a compound of formula I ##STR9## where R.sup.1 is 1. (C.sub.1 -C.sub.20)-alkyl,2. (C.sub.1 -C.sub.20)-alkyl, which is mono-, di- or trisubstituted by2.1. (C.sub.3 -C.sub.6)-cycloalkyl,2.2. --OH,2.3. (C.sub.1 -C.sub.6)-alkyl-C(O)--O--,2.4. (C.sub.1 -C.sub.6)-alkyl-O--,2.5. (C.sub.1 -C.sub.6)-alkyl-O--(C.sub.1 -C.sub.4)-alkyl-O--,2.6. halogen,2.7. --CF.sub.3,2.8. --CN,2.9. --NO.sub.2,2.10. HO--C(O)--,2.