医药中间体种类:氰酸钠、氰酸钾、热处置基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。
Pharmaceutical Intermediates species: Sodium Cyanate, Potassium Cyanate, Subsalt of Heat Treatment, the Main Ring of Promethazine Hydrochloride, Promethazine Hydrochloride Side Chain.
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
许多文献报道证实,庞大的侧基或具有形成氢键能力的基团有利于聚合物主链形成稳定的螺旋构象,从而赋予材料高度的旋光活性和某些特殊功能。
In general, bulky side-chain and hydrogen bonding are in favor of the formation of stable helical conformation for polymers, which endows them with high optical property and some special performance.
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