corresponding anions derived from diphenylphosphine oxide, dialkylphosphites, and a cyclic phosphite to α-methylene-glutaric esters (1) afforded the title compounds (2–6). Double debenzylation of 2-phosphono glutaric esters 4b and 5a by catalytic hydrogenation under the appropriate conditions gave the correspon- ding diacides 8 and 9, respectively. © 2005 Wiley Periodicals, Inc. Heteroatom Chem 16:562–565, 2005;
衍生自二
苯基
氧化膦、二烷基
亚磷酸酯和环状
亚磷酸酯的相应阴离子与 α-亚
甲基-
戊二酸酯 (1) 的迈克尔加成得到标题化合物 (2-6)。2-膦酰基
戊二酸酯 4b 和 5a 在适当条件下通过催化
氢化进行双
脱苄基,分别得到相应的二酸 8 和 9。© 2005 Wiley Periodicals, Inc. 杂原子
化学 16:562–565, 2005; 在线发表于 Wiley InterScience (www.interscience.wiley.com)。DOI 10.1002/hc.20142