如果用三叔丁基羟基作为氨基保护基团使用，应用酸来将其脱去，如以盐酸和异丙醇为溶剂或无水三氟乙酸。
If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.
二羟基吲哚是黑素原的重要中间体，也是一些氨基酸、生物碱、色胺的中间体。
Dihydroxyindole is an important intermediate of melanin, amino - acid, biogenic base and tryptamine.
研究了丙烯酸氨基漆用羟基丙烯酸树脂的合成、氨基树脂的选择。探讨了基料使用中的技术问题。
Synthesis of hydroxyl acrylic resin used in acrylic amino paint and choice of amino resin are studied. Technical problems existing in binder application is discussed.
认为脯氨酸等氨基酸的高比例特性以及结合基序特征可以很好地解释羟基磷灰石的生物可利用性和安全性。
The high proportion of proline and other special amino acids in HA binding peptides and motifs was well matched to HA in its bioavailability and safety.
用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
除了脯氨酸和羟基脯氨酸(亚氨基酸)以外，所有的氨基酸是l -氨基酸，但是d -氨基酸出现在细菌细胞壁和一些抗体中。
Except for praline and hydroxyproline which are imino acids all the amino acids are l-amino acids although d-amino acids do occur in bacterial cell walls and in some antibiotics.
一种低聚体和由α-羟基羧酸和α-氨基酸或肽组成的副低聚体的酶合成成分。
An enzymatic synthesis and composition of oligomers and co-oligomers comprised of . alpha. -hydroxy carboxylic acids and . alpha. -amino acids or peptides is disclosed.
一种低聚体和由α-羟基羧酸和α-氨基酸或肽组成的副低聚体的酶合成成分。
An enzymatic synthesis and composition of oligomers and co-oligomers comprised of . alpha. -hydroxy carboxylic acids and . alpha. -amino acids or peptides is disclosed.
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