Direct preparation of copper organometallics bearing an aldehyde function via an iodine–copper exchange
Literature Information
Xiaoyin Yang, Paul Knochel
The iodine–copper exchange reaction allows the direct preparation of various aryl, heteroaryl and alkenyl cuprates bearing a formyl group, thus allowing a direct synthesis of polyfunctional aldehydes without the need of protecting groups or an additional oxidation step.
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![(2E)-4-[(1R,2S,8R,19S,21R)-14-Hydroxy-11-isopropenyl-8,23,23-trimethyl-5-(3-methyl-2-buten-1-yl)-16,20-dioxo-3,7,22-trioxaheptacyclo[17.4.1.1~8,12~.0~2,17~.0~2,21~.0~4,15~.0~6,13~]pentacosa-4(15),5,13
,17-tetraen-21-yl]-2-methyl-2-butenoic acid structure (2E)-4-[(1R,2S,8R,19S,21R)-14-Hydroxy-11-isopropenyl-8,23,23-trimethyl-5-(3-methyl-2-buten-1-yl)-16,20-dioxo-3,7,22-trioxaheptacyclo[17.4.1.1~8,12~.0~2,17~.0~2,21~.0~4,15~.0~6,13~]pentacosa-4(15),5,13
,17-tetraen-21-yl]-2-methyl-2-butenoic acid structure](https://static.chemtradehub.com/structs/173/173867-04-4-d2d3.webp)
![Benzyl spiro[indole-3,4'-piperidine]-1(2H)-carboxylate hydrochloride (1:1) structure Benzyl spiro[indole-3,4'-piperidine]-1(2H)-carboxylate hydrochloride (1:1) structure](https://static.chemtradehub.com/structs/159/159635-46-8-8de0.webp)


