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L-叔亮氨酸

L-叔亮氨酸用途

(S) -2-氨基-3,3-二甲基丁酸是亮氨酸衍生物[1]。

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L-叔亮氨酸名称

[ CAS 号 ]:
20859-02-3

[ 中文名 ]:
L-叔亮氨酸

[ 英文名 ]:
L-tert-Leucine

[中文别名 ]:

[英文别名 ]:

MFCD00002617
L-Tert-Leucine
3-Methyl-L-valine
L-Valine, 3-methyl-
L-tert-leucin
L-2-tert-Butylglycine
Valine, 3-methyl-
(S)-2-Amino-3,3-dimethylbutyric acid
LEUCINE,L
(S)-2-Amino-3,3-dimethylbutanoic acid

L-叔亮氨酸生物活性

[ 描述 ]:

(S) -2-氨基-3,3-二甲基丁酸是亮氨酸衍生物[1]。

[ 相关类别 ]:

研究领域 >> 其他

信号通路 >> 其他 >> 其他

[体外研究]

氨基酸和氨基酸衍生物已被商业化用作能量补充剂。它们影响合成代谢激素的分泌、运动期间的燃料供应、压力相关任务期间的精神表现,并防止运动引起的肌肉损伤。它们被认为是有益的能生膳食物质[1]。

[参考文献]

[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

L-叔亮氨酸物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
217.7±23.0 °C at 760 mmHg

[ 熔点 ]:
300 °C

[ 分子式 ]:
C₆H₁₃NO₂

[ 分子量 ]:
131.173

[ 闪点 ]:
85.5±22.6 °C

[ 精确质量 ]:
131.094635

[ PSA ]:
63.32000

[ LogP ]:
0.55

[ 外观性状 ]:
白色至近乎于白色粉末

[ 蒸汽压 ]:
0.1±0.9 mmHg at 25°C

[ 折射率 ]:
1.464

[ 储存条件 ]:
室温

[ 水溶解性 ]:
125.5 g/L (20 ºC)

L-叔亮氨酸MSDS

L-叔亮氨酸安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xi: Irritant;

[ 安全声明 (欧洲) ]:
S22-S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
OH2850000

[ 海关编码 ]:
2922499990

L-叔亮氨酸合成路线

L-叔亮氨酸上下游产品

L-叔亮氨酸上游产品

L-叔亮氨酸下游产品

L-叔亮氨酸海关

[ 海关编码 ]: 2922499990

[ 中文概述 ]:
2922499990 其他氨基酸及其酯及它们的盐（含有一种以上含氧基的除外）. 增值税率:17.0% 退税率:9.0% 监管条件:AB(入境货物通关单,出境货物通关单) 最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: P.进境动植物、动植物产品检疫 Q.出境动植物、动植物产品检疫 R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验

[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

L-叔亮氨酸文献

Highly selective asymmetric acetate aldol reactions of an N-acetyl thiazolidinethione reagent.

Org. Lett. 6 , 23-25, (2004)

[reaction: see text] A highly diastereoselective acetate aldol reaction that uses a tert-leucine-derived thiazolidinethione auxiliary and dichlorophenylborane has been developed. The reaction proceeds...

Scaleable catalytic asymmetric Strecker syntheses of unnatural alpha-amino acids.

Nature 461(7266) , 968-70, (2009)

Alpha-amino acids are the building blocks of proteins and are widely used as components of medicinally active molecules and chiral catalysts. Efficient chemo-enzymatic methods for the synthesis of ena...

An efficient and selective enzymatic oxidation system for the synthesis of enantiomerically pure D-tert-leucine.

Org. Lett. 5(20) , 3649-50, (2003)

[reaction: see text] d-tert-Leucine was prepared with an enantiomeric excess of >99% by an enzyme-catalyzed oxidative resolution of the racemic mixture of dl-tert-leucine with use of leucine dehydroge...

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