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Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c03108
Abstract: A traditional cobalt catalyst system still contains undiscovered reactivity. Depending on the tertiary phosphines and substrates used, the catalytic system using CoBr2/tertiary phosphine/Zn/ZnI2 catalyzes divergent cycloadditions of internal alkynes with conjugated dienes, yielding 3-alkenylcyclobut-1-enes, bicyclo[3.1.0]hexenes,…
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Keywords:
alkynes conjugated;
divergent cycloadditions;
bicyclo hexenes;
hexenes cyclohexa ... See more keywords