The mechanism was discussed in the protonacid catalytic reaction of furan phenol cyclization.
探讨了呋喃酚环合反应质子酸催化机理。
2
The determination of pyridine adsorption of samples revealed that materials have a typic characterization of protonacid, and the protonacid centers increased with the increase of s content.
磺酸基很好地嵌入孔壁基质中,吡啶吸附测定显示了典型的质子酸特征,而且酸中心随硫含量增加而增多。
3
The prodrug exposed to strong acid is protonated and undergoes a conformational change to its active form which is capable of inhibiting the proton pump.