Rhodamine 6g hydrazide derivative, its preparation method, application and method for fluorescent analysis of hypochlorous acid as a fluorescent probe
A hydrazide derivative, fluorescence analysis technology, applied in the direction of fluorescence/phosphorescence, biological testing, material excitation analysis, etc., can solve the problems of cumbersome process, complicated technology, restricting practical application, etc., to achieve wide application prospects, high sensitivity, fluorescence Detecting the effect of signal stabilization
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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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