Rhodamine 6G hydrazide derivative, preparation method of derivative and application of derivative, and method for carrying out fluorescence analysis on hypochlorous acid by using derivative as fluorescence probe
A technology for hydrazide derivatives and fluorescence analysis, which is applied in the fields of fluorescence/phosphorescence, biological testing, material excitation analysis, etc., can solve problems such as cumbersome procedures, restrictions on practical applications, and complex technologies, and achieve broad application prospects and stable fluorescence detection signals , the effect of high sensitivity
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Embodiment 1
[0032] The preparation method of rhodamine 6G hydrazide derivative of the present invention comprises the following steps:
[0033] 1) Weighing a certain amount of rhodamine 6G, ethanol and hydrazine monohydrate with a mass concentration of 80%, and dissolving rhodamine 6G in ethanol, then adding hydrazine monohydrate dropwise, and then refluxing and filtering to obtain After precipitation, washing and drying, rhodamine 6G hydrazide was obtained as a pink solid, wherein the ratio of rhodamine 6G, ethanol and hydrazine monohydrate was 1.0g: 20mL: 3mL;
[0034] 2) Take a certain amount of 1-naphthoyl chloride and acetonitrile, then dissolve 1-naphthoyl chloride in acetonitrile to obtain an acetonitrile solution of 1-naphthoyl chloride, wherein 1-naphthalene in the acetonitrile solution of 1-naphthoyl chloride The ratio of formyl chloride to acetonitrile is 100 μL: 15 mL;
[0035] 3) Weigh a certain amount of rhodamine 6G hydrazide and acetonitrile, then dissolve rhodamine 6G hy...
Embodiment 2
[0041] The preparation method of rhodamine 6G hydrazide derivative of the present invention comprises the following steps:
[0042] 1) Weighing a certain amount of rhodamine 6G, ethanol and hydrazine monohydrate with a mass concentration of 80%, and dissolving rhodamine 6G in ethanol, then adding hydrazine monohydrate dropwise, and then refluxing and filtering to obtain After precipitation, washing and drying, rhodamine 6G hydrazide was obtained as a pink solid, wherein the ratio of rhodamine 6G, ethanol and hydrazine monohydrate was 1.0g: 30mL: 2mL;
[0043] 2) Take a certain amount of 1-naphthoyl chloride and acetonitrile, then dissolve 1-naphthoyl chloride in acetonitrile to obtain an acetonitrile solution of 1-naphthoyl chloride, wherein 1-naphthalene in the acetonitrile solution of 1-naphthoyl chloride The ratio of formyl chloride to acetonitrile is 90 μL: 13 mL;
[0044] 3) Weigh a certain amount of rhodamine 6G hydrazide and acetonitrile, then dissolve rhodamine 6G hydra...
Embodiment 3
[0050] The preparation method of rhodamine 6G hydrazide derivative of the present invention comprises the following steps:
[0051] 1) Weighing a certain amount of rhodamine 6G, ethanol and hydrazine monohydrate with a mass concentration of 80%, and dissolving rhodamine 6G in ethanol, then adding hydrazine monohydrate dropwise, and then refluxing and filtering to obtain After precipitation, washing and drying, rhodamine 6G hydrazide was obtained as a pink solid, wherein the ratio of rhodamine 6G, ethanol and hydrazine monohydrate was 1.0g: 25mL: 4mL;
[0052] 2) Take a certain amount of 1-naphthoyl chloride and acetonitrile, then dissolve 1-naphthoyl chloride in acetonitrile to obtain an acetonitrile solution of 1-naphthoyl chloride, wherein 1-naphthalene in the acetonitrile solution of 1-naphthoyl chloride The ratio of formyl chloride to acetonitrile is 115 μL: 11 mL;
[0053] 3) Weigh a certain amount of rhodamine 6G hydrazide and acetonitrile, then dissolve rhodamine 6G hy...
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