受阻胺光安定劑农业专利-农业专业知识服务系统

发明人:: SCHLETH, CORNELIA,史利斯　科尼亚,史利斯　科尼亞,SCHULZ, LIANE,史却兹　利安尼,史卻茲　利安尼,ROTZINGER, BRUNO,洛特辛格　布鲁诺,洛特辛格　布魯諾,露托夫　柏裘恩,VITALI, MANUELE,维塔利　曼纽利,維塔利　曼紐利,史利斯科尼亚,史利斯科尼亞,史却兹利安尼,史卻茲利安尼,洛特辛格布鲁诺,洛特辛格布魯諾,露托夫柏裘恩,维塔利曼纽利,維塔利曼紐利

摘要：: A compound of the formula (I) wherein R1 and R2 independently of one another are hydrogen, C1-C22alkyl, -O, -OH, -CH2CN, C1-C18alkoxy, C2-C18alkoxy substituted by -OH； C5-C12cycloalkoxy, C3-C6alkenyl, C3-C6alkenyloxy, C7-C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1-C4alkyl； or C1-C8acyl； and R3 and R4 independently of one another are C1-C22alkyl or a group of the formula (Ia) wherein R0 has one of the meanings of R1 and R2.本發明提供一種式(I)化合物：其中R1及R2彼此獨立地為氫、C1-C22烷基、-O、-OH、-CH2CN、C1-C18烷氧基、由-OH取代之C2-C18烷氧基；C5-C12環烷氧基、C3-C6烯基、C3-C6烯氧基、未經取代或在苯基上由1、2或3個C1-C4烷基取代之C7-C9苯基烷基；或C1-C8醯基；且R3及R4彼此獨立地為C1-C22烷基或式(Ia)之基團其中R0具有R1及R2之含義之一。