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2005
Cyanation
O 0273
27- 053
Novel and Direct Oxidative Cyanation Reactions of Heteroaromatic Compounds
Mediated by a Hypervalent Iodine(III) Reagent. — The reaction proceeds under
mild conditions and is applicable to various types of heteroaromatic compounds. In the
case of pyrroles, the protecting group of the nitrogen plays a crucial role for the success.
The aryl halide function is maintained [cf. (IIIc) and (IIId)] which is beneficial for further transformations. Deprotection and synthetic utility is also demonstrated. —
(DOHI, T.; MORIMOTO, K.; KIYONO, Y.; TOHMA, H.; KITA*, Y.; Org. Lett. 7
(2005) 4, 537-540; Grad. Sch. Pharm. Sci., Osaka Univ., Suita, Osaka 565, Japan;
Eng.) — Steudel
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