1) aminohydroxylation
氨羟化
1.
Isopropyl N-benzoyl-(2R,3S)-3-phenylisoserine, a side chain precursor of paclitaxel, was synthesized from isopropyl trans-cinnamate and N-bromobenzamide by osmium-catalyzed asymmetric aminohydroxylation reaction in the presence of new chiral ligands 3 or 4 in yields of 41.
用反式肉桂酸异丙酯为原料,N-溴代苯甲酰胺为助氧化供氮试剂,分别在配体3、4存在下进行锇催化的不对称氨羟化反应,一步制得抗癌药紫杉醇的C13片段N-苯甲酰基-(2R,3S)-3-苯基异丝氨酸异丙酯,收率分别为41。
2) quantitatively determination
羟氨化反应
4) hydroxyl lysine
羟化赖氨酸
1.
A specific hydroxyl lysine δ OH Lys, which exists mostly as a free mino acid and small peptide, was detected out in Bamboo leaves and their extracts at first.
在竹叶及其提取物中检出了相当含量的一种羟化赖氨酸—δ-OH-Lys,主要以游离单体和小肽的形式存在。
5) oxammonium sulfate
硫酸化羟氨
6) asymmetric aminohydroxylation
不对称氨羟化
1.
The asymmetric aminohydroxylation (AA) of olefins using catalytic amounts of potassium osmate in the presence of cinchona alkaloid derivatives has become the most powerful method for the preparation of a wide variety of enantiomerically pure β-amino alcohols.
以N氯代氨基甲酸苄酯钠为氧化供氮试剂,由(DHQD)2PYDZ与OsO4原位生成的催化剂在6种烯烃的不对称氨羟化反应中表现出较高的立体选择性(83%~92%)和区域选择性(79∶21~88∶12),反应主产物的化学产率为40%~76%。
2.
The application of sharpless asymmetric aminohydroxylation reaction to a - luryl ethylene and its derivatives is described in this paper.
将Sharpless等人报道的不对称氨羟化反应方法应用于α-呋喃乙烯类化合物,并对其区域选择性进行了研究。
补充资料:苯丙氨酸羟化酶
分子式:
CAS号:
性质:催化自苯丙氨酸合成酪氨酸的酶,属单加氧酶,催化的反应不可逆。
CAS号:
性质:催化自苯丙氨酸合成酪氨酸的酶,属单加氧酶,催化的反应不可逆。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条