作者:Feng Tian、Jean-Luc Montchamp、J. W. Frost
DOI:10.1021/jo960709h
日期:1996.1.1
phosphorylmethyl, phosphonoethyl, and phosphonomethyl groups in carbocyclic inhibitors of DHQ synthase. All but one of the carbocyclic inhibitors were synthesized via intermediacy of a 2,3-butane bisacetal-protected 3-dehydroquinic acid. Carbaphosphinate (K(i) = 20 x 10(-)(6) M) was a modest competitive inhibitor of DHQ synthase, while carbaacetate was a linear mixed-type inhibitor (K(i) = 3 x 10(-)(6) M, K(i)'
在DHQ合酶的碳环抑制剂中,膦酰基甲基和羧甲基一元酸与琥珀酰基,丙二酰基醚,丙二酰基和羟基丙二酰基二酸一起被磷酰基甲基,膦酰基乙基和膦酰基甲基取代。除一种碳环抑制剂外,所有化合物均通过2,3-丁烷双缩醛保护的3-脱氢奎尼酸的中间体合成。氨基膦酸酯(K(i)= 20 x 10(-)(6)M)是DHQ合酶的中等竞争性抑制剂,而氨基甲酸酯则是线性混合型抑制剂(K(i)= 3 x 10(-)(6) )M,K(i)'= 20 x 10(-)(6)M)。氨基甲酸酯(K(i)= 5 x 10(-)(6)M),氨基甲酸酯醚(K(i)= 7 x 10(-)(6)M),氨基甲酸酯(K(i)= 0.7 x 10( -)(6)M)和氨基甲酸丙二酸酯(K(i)= 0.3 x 10(-)(6)M)均为竞争性抑制剂。氨基甲酸酯是唯一未被DHQ合酶氧化的抑制剂。