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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[0031] Example one
[0032] The preparation method of rhodamine 6G hydrazide derivative of the present invention includes the following steps:
[0033] 1) Weigh a certain amount of rhodamine 6G, ethanol and hydrazine monohydrate with a mass concentration of 80%, and dissolve rhodamine 6G in ethanol, and then add hydrazine monohydrate dropwise, then reflux and filter to obtain After precipitation, washing and drying, a pink solid rhodamine 6G hydrazide is obtained, wherein the ratio of rhodamine 6G, ethanol and hydrazine monohydrate is 1.0g:20mL:3mL;
[0034] 2) Weigh a certain amount of 1-naphthoyl chloride and acetonitrile, and then dissolve 1-naphthoyl chloride in acetonitrile to obtain a solution of 1-naphthoyl chloride in acetonitrile. The ratio of formyl chloride to acetonitrile is 100μL: 15mL;
[0035] 3) Weigh a certain amount of rhodamine 6G hydrazide and acetonitrile, and then dissolve rhodamine 6G hydrazide in acetonitrile to obtain the acetonitrile solution of rhodamine 6G...
Example Embodiment
[0040] Example two
[0041] The preparation method of rhodamine 6G hydrazide derivative of the present invention includes the following steps:
[0042] 1) Weigh a certain amount of rhodamine 6G, ethanol and hydrazine monohydrate with a mass concentration of 80%, and dissolve rhodamine 6G in ethanol, and then add hydrazine monohydrate dropwise, then reflux and filter to obtain After precipitation, washing and drying, a pink solid rhodamine 6G hydrazide is obtained, wherein the ratio of rhodamine 6G, ethanol and hydrazine monohydrate is 1.0g:30mL:2mL;
[0043] 2) Weigh a certain amount of 1-naphthoyl chloride and acetonitrile, and then dissolve 1-naphthoyl chloride in acetonitrile to obtain a solution of 1-naphthoyl chloride in acetonitrile. The ratio of formyl chloride to acetonitrile is 90μL: 13mL;
[0044] 3) Weigh a certain amount of rhodamine 6G hydrazide and acetonitrile, and then dissolve rhodamine 6G hydrazide in acetonitrile to obtain the acetonitrile solution of rhodamine 6G ...
Example Embodiment
[0049] Example three
[0050] The preparation method of rhodamine 6G hydrazide derivative of the present invention includes the following steps:
[0051] 1) Weigh a certain amount of rhodamine 6G, ethanol and hydrazine monohydrate with a mass concentration of 80%, and dissolve rhodamine 6G in ethanol, and then add hydrazine monohydrate dropwise, then reflux and filter to obtain After precipitation, washing and drying, a pink solid rhodamine 6G hydrazide is obtained, wherein the ratio of rhodamine 6G, ethanol and hydrazine monohydrate is 1.0g:25mL:4mL;
[0052] 2) Weigh a certain amount of 1-naphthoyl chloride and acetonitrile, and then dissolve 1-naphthoyl chloride in acetonitrile to obtain a solution of 1-naphthoyl chloride in acetonitrile. The ratio of formyl chloride to acetonitrile is 115μL:11mL;
[0053] 3) Weigh a certain amount of rhodamine 6G hydrazide and acetonitrile, and then dissolve rhodamine 6G hydrazide in acetonitrile to obtain the acetonitrile solution of rhodamine 6...
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