1) mercaptoethylation
巯化
2) thiolation
巯基化
1.
The reaction (conditions) of thiolation and chlortion(e.
2-巯基-6-羟基-4,5-二氨基嘧啶和甲酰胺环化缩合,巯基化后得到2,6-二巯基嘌呤,再经氯化得到2,6-二氯嘌呤。
2.
Then the final zinc pyridine-2-thiol-N-oxide was obtained starting from 2-chloropyridine-N-oxide via the reactions such as thiolation, preparing sodium salt, reacting with zinc sulfate and so on.
以 2 -氯吡啶为原料,经双氧水和冰醋酸的混合溶液氧化为 2 -氯 N- 氧化物,2- 氯- N- 氧化物经过巯基化、制备钠盐、最后与硫酸锌反应得到吡啶硫酮锌,即 2 -巯基- N- 氧吡啶的锌盐。
3.
The particles(before and after surface thiolation)properties and structure are characterized by X-ray powder dif- fraction(XRD),scanning electron microscopy(SEM)with the energy dispersive spectroscopy(EDS),X-ray photoe- lectron speetroscopy(XPS)and magnetic property measurement system(MPMS)with.
采用化学共沉约30nm 的磁性 Fe_3O_4纳米粒子,并采用3-巯丙基三乙氧基硅烷(MPTES)将 Fe_3O_4纳米粒子表面修饰上巯基(-SH)官能团,获得了表面巯基化的磁性 Fe_3O_4纳米粒子。
3) mercapto-reagent
巯基化剂
1.
Then 2-mercaptopyridine N-oxide (Ⅱ) is synthesized from the compound (Ⅰ) and mercapto-reagent,yield 60%.
5% ;进而利用巯基化剂合成 N-氧化 - 2 -巯基吡啶 ( ) ,产率 60 % 。
4) sulfhydrylization
巯基化
1.
Eight derivatives of S-trazine were synthesized from cyanuric chloride by means of aminationand sulfhydrylization,the structures of which were characterized.
由三聚氯氰出发,经胺化、巯基化,合成了以S-三嗪为母体的8种衍生物。
2.
Nine derivatives of S-triazine were synthesized from cyanuric chloride by amina-tion and sulfhydrylization,the structures of which were characterized.
由三聚氯氰出发,经胺化、巯基化合成了以S-三嗪为母体的九种衍生物,并对其结构进行了鉴定,其中六种化合物未见报道。
5) thiols
巯基化合物
1.
The thiols in air is first absorbed with 1mol/L aqueous solution of sodium hydrate, and then determined by nitrosification diazo couple spectrophotometric method.
以NaOH溶液为吸收液吸收空气中的巯基化合物 ,进而以亚硝化重氮偶合分光光度法测定空气中的巯基化合物 。
2.
Intracellular thiols such as glutathione(GSH),cysteine(Cys),and homocysteine(Hcy) play a crucial role in maintaining biological redox homeostasis.
巯基化合物是生物体中许多蛋白质和小分子的重要组成部分,在细胞抗氧化系统中具有重要的作用。
6) sulfhydrylization reagent
巯基化试剂
补充资料:甲烯化双巯丙氨酸
分子式:
CAS号:
性质:又称S-亚甲胱氨酸,甲烯化双巯丙氨酸。系从豆科(Leguminosae)、猴耳环属的植物(Pithecolobium lobatum Benth)的实黎豆(djenkol bean)中提取,或可从1mol甲醛和2mol L-半胱氨酸在浓盐酸溶液中合成。产品呈长度不一的针状体束。300~350℃分解。市售品有DL-型和L型,L-型黎豆氨酸在碱性溶液中易转变为DL-型。L-型旋光度-65.0°(1%,1mol/L盐酸中);-47.5°(c=2,在1.0mol/L盐酸中)。难溶于冷水,略溶于沸水(1:200)。易溶于碱或酸的水溶液。其主要衍生物有黎豆氨酸盐酸盐和二苯甲酰黎豆氨酸(C21H22N2O6S2,结晶,熔点87.5~89℃)。本品多用于生化试剂。
CAS号:
性质:又称S-亚甲胱氨酸,甲烯化双巯丙氨酸。系从豆科(Leguminosae)、猴耳环属的植物(Pithecolobium lobatum Benth)的实黎豆(djenkol bean)中提取,或可从1mol甲醛和2mol L-半胱氨酸在浓盐酸溶液中合成。产品呈长度不一的针状体束。300~350℃分解。市售品有DL-型和L型,L-型黎豆氨酸在碱性溶液中易转变为DL-型。L-型旋光度-65.0°(1%,1mol/L盐酸中);-47.5°(c=2,在1.0mol/L盐酸中)。难溶于冷水,略溶于沸水(1:200)。易溶于碱或酸的水溶液。其主要衍生物有黎豆氨酸盐酸盐和二苯甲酰黎豆氨酸(C21H22N2O6S2,结晶,熔点87.5~89℃)。本品多用于生化试剂。
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