A reação de alquenos com o ácido tricloro-isocianúrico ou N-bromo-sacarina ou I 2 / Fe 2 (SO 4 ) 3 na presença de DMF, seguida de tratamento em meio aquoso, leva à formação dos respectivos β-halo-formatos com alta regio-e estereosseletividade.The reaction of alkenes with trichloroisocyanuric acid or N-bromosaccharin or I 2 / Fe 2 (SO 4 ) 3 in the presence of DMF followed by aqueous work-up led to the corresponding β-haloformate in high regio-and stereoselectivity.
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