为了制备具有pH敏感性能的壳聚糖，本文采用将磺胺二甲氧基嘧啶（SDM）作为pH敏感基团接枝到壳聚糖上。
To make chitosan having PH sensitivity, in this paper chitosan was grafted by sulfadimethoxypyrimidine (SDM) which is a pH sensitivity group.
将七号位碳上的溴基取代成各种苯胺类衍生 物，再与4-甲氧基-磺基氯苯反应得到6-氮基吲哚-1-磺胺。
The 7-bromo group was replaced with various aniline, and then treated with 4- methoxybenzenesulfonyl chloride to afford the 6-azaindole-1-sulfonamides.
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