(3aS,4S,6aR)-4-(4-aminobutyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one
中文名称 | (3aS,4S,6aR)-4-(4-aminobutyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one |
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中文同义词 | 化合物 T19482 |
英文名称 | (3aS,4S,6aR)-4-(4-aminobutyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one |
英文同义词 | (3aS,4S,6aR)-4-(4-aminobutyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one;Norbiotinamine;1H-Thieno[3,4-d]imidazol-2(3H)-one, 4-(4-aminobutyl)tetrahydro-, (3aS,4S,6aR)- |
CAS号 | 173401-47-3 |
分子式 | C9H17N3OS |
分子量 | 215.32 |
EINECS号 | |
相关类别 | |
Mol文件 | 173401-47-3.mol |
结构式 |
(3aS,4S,6aR)-4-(4-aminobutyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 性质
沸点 | 478.0±30.0 °C(Predicted) |
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密度 | 1.162±0.06 g/cm3(Predicted) |
储存条件 | 4°C, protect from light |
溶解度 | H2O:200 mg/mL(928.85 mM;超声加热并加热至 60°C) |
酸度系数(pKa) | 13.90±0.40(Predicted) |
In order to couple biotin to amino acids, reaction has to be with an amino group. An example is biocytin (biotin lysine). However, Norbiotinamine could be coupled with a carboxylic group of amino acids to give inverse peptides, having the amide linkage oriented in the opposite direction. As an example, Norbiotinamine is coupled with the NHS ester of N-Boc-glutamic acid γ-benzyl ester. The resulting norbiotinylamide of γglutamic acid (VII), obtained after deprotection, is similar to biocytin, but it has a shorter aliphatic chain and an inverted amide bond.