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Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2016.12.079
Abstract: An efficient and practical method was developed for the synthesis of tetrahydro-1H-pyrrolo[1,2-a]imidazol-2-ones based on the decarboxylative cyclization reaction of α-ketoamides and proline. In most cases, tetrahydro-1H-pyrrolo[1,2-a]imidazol-2-ones were obtained with perfect diastereoselectivity to give trans-isomer in…
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Keywords:
tetrahydro pyrrolo;
pyrrolo imidazol;
imidazol ones;
cyclization reaction ... See more keywords
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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
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Published in 2017 at "ACS Omega"
DOI: 10.1021/acsomega.7b00626
Abstract: An efficient tandem intermolecular one-pot aldol condensation/aza-addition reaction of 2-methyl-3-carbamoylpyrroles and aldehydes was developed for the synthesis of 2,3,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-ones. The reaction proceeded using only 3.0 equiv of ammonium acetate promoter in green solvent poly(ethylene glycol)-400…
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Keywords:
condensation aza;
one pot;
tetrahydro pyrrolo;
aldol condensation ... See more keywords