Asymmetric full-synthesis method of Tanikolide
A fully synthetic, asymmetric technology, used in bulk chemical production, organic chemistry, etc., can solve problems such as difficult to meet the needs of in-depth research on chemical properties and biological activities
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[0027]The above-mentioned content of the present invention will be further described in detail below through specific embodiments in the form of examples, but it should not be understood that the scope of the above-mentioned subject of the present invention is limited to the following examples. All technologies realized based on the above contents of the present invention belong to the scope of this invention.
[0028] The following are the embodiments of the present invention, which are divided into ten steps for the convenience of description.
[0029] step 1:
[0030]
[0031] Dissolve 332 mg (1.43 mmol) primary alcohol 2 in 7 mL CH 2 Cl 2 , add 1 mL H 2 O, then add 67 mg (0.43 mmol) TEMPO, 17 mg (0.14 mmol) KBr, 16 mg (0.18 mmol) NaHCO 3 . After stirring at room temperature for 10 min, 1.29 mL (1.7 mmol, 10%) of NaClO was added to the reaction system within 40 min. After the addition, use 100mL CH 2 Cl 2 Dilute the reaction system, successively with 2 × 10 mL H ...
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