2,2,5,5-四甲基-3-氨基-吡咯烷-1-氧基自由基

酸性品红

本品为玫苯胺(Rosaniline)二磺酸钠盐及三磺酸钠盐、铵盐的混合物，为有绿色金属光泽的深红色粉末或橄榄色到深橄榄绿色粗粉或小块。1g可溶于7ml水，微溶于乙醇。稀水溶液呈紫红色，极稀的水溶液(1：10000)滴入浓氢氧化钠溶液而褪色，但对浓盐酸不褪色。红色到无色的pH为12-14。最大吸收波长540-545nm(10mg/L,0.01%盐酸)。有刺激性。Colour Index Number 42685

3,3-二甲基-2-亚甲基-1-苯基二氢吲哚

3,3-二甲基-2-亚甲基-1-苯基二氢吲哚与取代的水杨醛反应制备光致变色螺吡喃。

3,3-Dimethyl-2-methylene-1-phenylindoline reacts with substituted salicyaldehydes for the preparation of photochromic spiropyrans.

3,4-二溴-1-氧基-2,2,5,5-四甲基-δ3-吡咯啉

自旋标记物。

A spin label.

1,2-二硝基-4,​​5-亚甲基二氧基苯

4-甲基伞形基硫酸钾盐

4-Methylumbelliferyl sulfate, potassium salt is a coumarin derivative and highly sensitive fluorescent substrate for monitoring aryl sulfatase activity. This compound is virtually non-fluorescent until cleavage by sulfatase enzymes, then emits blue fluorescence (450 nm) with excitation at 360 nm. This substrate has been used in the discovery of tyrosine sulfotransferase inhibitors, particularly in P-selectin glycoprotein ligand-1 binding. Use of this compound in high-throμghput fluorescence based screening led to the discovery of several potent beta-arylsulfotransferase IV (beta-AST-IV) inhibitors.

4-Methylumbelliferyl sulfate, potassium salt is a coumarin derivative and highly sensitive fluorescent substrate for monitoring aryl sulfatase activity. This compound is virtually non-fluorescent until cleavage by sulfatase enzymes, then emits blue fluorescence (450 nm) with excitation at 360 nm. This substrate has been used in the discovery of tyrosine sulfotransferase inhibitors, particularly in P-selectin glycoprotein ligand-1 binding. Use of this compound in high-throughput fluorescence based screening led to the discovery of several potent beta-arylsulfotransferase IV (beta-AST-IV) inhibitors.

1-氧-2,2,5,5-四甲基-3-（甲磺酰氧基甲基）吡咯啉

高反应性自旋标签。

A highly reactive spin-label.