Method for stereoselective synthesis of IeodomycinA and B
A technology of stereoselectivity and synthesis method, applied in chemical instruments and methods, asymmetric synthesis, organic chemistry methods, etc., can solve the problems of long synthesis steps and achieve the effect of high synthesis cost
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[0029] In order to make the present invention clearer, the following further describes the present invention in detail with reference to embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0030] 1. Synthesis of compound 2
[0031] Dissolve oxalyl chloride (9 mL, 97.24 mmol) in dry dichloromethane (120 mL) at -78°C, then dissolve dimethyl sulfoxide (14 mL, 194.49 mmol) in dichloromethane ( 50 mL), and mix again. After 15 minutes, slowly add geraniol (10.0 g, 64.83 mmol) to the mixed solution within 30 minutes. Dissolve triethylamine (66 mL, 374.72 mmol) in dry dichloromethane (80 mL), slowly add this mixture to the reaction flask, and then continue to keep it at -78℃ for 1 h, and then The reaction flask was placed in ice water until room temperature, overnight. After spotting the plate to detect the reaction, the reaction was quenched with hydrochloric acid solu...
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