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Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c00387
Abstract: A novel and simple organoselenium-involved 7-membered cyclization to access diverse seleno-benzo[b]azepines has been developed. This protocol involves an electrophilic cyclization process and is accomplished under mild conditions. Discussion of the mechanism rationalizes the regioselectivity observed…
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Keywords:
cyclization access;
seleno benzo;
benzo azepines;
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Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c03674
Abstract: Tetrahydro-4H-pyrrolo[3,2-c]quinolin-4-ones and dihydro-1H-benzo[b]azepines are efficiently synthesized from 2-aminobenzonitriles and donor-acceptor cyclopropanes mediated by SnCl4 in moderate to good yields. The reaction involves the initial ring opening of a cyclopropane ring due to activation by SnCl4…
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Keywords:
tetrahydro pyrrolo;
ones dihydro;
benzo azepines;
dihydro benzo ... See more keywords