22-nor-stigmasta thiosemicarbazone compound and preparing method and application thereof
A technology of stigmaster thiosemicarbazone and compound, which can be applied in the field of medicine and can solve the problems of high toxicity, limited scope of use and the like
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Embodiment 1
[0025] The present invention provides a kind of 22-nor-stigmasterol thiosemicarbazone compound, and its structural formula is formula (III):
[0026]
[0027] A preparation method of 22-nor-stigmasterol thiosemicarbazone compound, comprising the following steps:
[0028]Step 1. Add 1.206g stigmasterol into 10mL pyridine, after completely dissolving, add 5mL acetic anhydride, stir and react at room temperature for 24h, stop the reaction after the reaction is completed, add 30mL dilute hydrochloric acid with a concentration of 1mol / L, and transfer the product into a separate In the liquid funnel, use 15mL ethyl acetate to continuously extract 3 times (the amount of ethyl acetate is 15mL each time, after adding ethyl acetate for the first time, the solution is layered, and the organic layer is separated after layering, and placed in a conical bottle, then the water layer was extracted with ethyl acetate, after the water layer was extracted, the organic layer was separated, eth...
Embodiment 2
[0043] The present invention provides a kind of 22-nor-stigmasterol thiosemicarbazone compound, and its structural formula is formula (III):
[0044]
[0045] A preparation method of 22-nor-stigmasterol thiosemicarbazone compound, comprising the following steps:
[0046] Step 1. Add 1.206g stigmasterol into 10mL pyridine, after completely dissolving, add 5mL acetic anhydride, stir and react at room temperature for 24h, stop the reaction after the reaction is completed, add 30mL dilute hydrochloric acid with a concentration of 1mol / L, and transfer the product into a separate In the liquid funnel, use 15mL ethyl acetate to continuously extract 3 times (the amount of ethyl acetate is 15mL each time, after adding ethyl acetate for the first time, the solution is layered, and the organic layer is separated after layering, and placed in a conical bottle, then the water layer was extracted with ethyl acetate, after the water layer was extracted, the organic layer was separated, et...
Embodiment 3
[0061] The present invention provides a kind of 22-nor-stigmasterol thiosemicarbazone compound, and its structural formula is formula (III):
[0062]
[0063] A preparation method of 22-nor-stigmasterol thiosemicarbazone compound, comprising the following steps:
[0064] Step 1. Add 1.206g stigmasterol into 10mL pyridine, after completely dissolving, add 5mL acetic anhydride, stir and react at room temperature for 24h, stop the reaction after the reaction is completed, add 30mL dilute hydrochloric acid with a concentration of 1mol / L, and transfer the product into a separate In the liquid funnel, use 15mL ethyl acetate to continuously extract 3 times (the amount of ethyl acetate is 15mL each time, after adding ethyl acetate for the first time, the solution is layered, and the organic layer is separated after layering, and placed in a conical bottle, then the water layer was extracted with ethyl acetate, after the water layer was extracted, the organic layer was separated, et...
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