五配位铝强化硅铝固体酸的固体核磁共振研究

王子春,黄骏,姜怡娇

Solid-State NMR Spectroscopy Studies of Enhanced Acidity of Silica-Aluminas Based on Penta-Coordinated Aluminum Species

Zi-chun WANG,Jun HUANG,Yi-jiao JIANG

表2 ASAs及脱铝H-Y沸石（De-Al-HY）的酸性、比表面积及催化苯甲酰甲醛（phenylglyoxal, PG）合成扁桃酸乙酯（ethyl mandelate, EM）的反应性能

Table 2 Catalytic data of PG conversion to ethyl mandelate over ASAs and De-Al-HY

Position Catalyst ABET/(m2/g) a YEM/% b SEM/% b BAS/(mmol/g) c LAS/(mmol/g) c TOFs/h-1 b 1 SA/0 156 0 0 0 0 0 2 SA/10 377 56 93 0.098 0 10.2 3 SA/30 248 67 94 0.111 0 10.5 4 SA/50 222 81 95 0.134 0.003 10.5 5 SA/70 200 97 97 0.151 0.008 10.5 6 De-Al-HY 671 81 90 0.865 1.75 0.57