Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Deo Prakash, Tiwari"'
Autor:
Carsten Bolm, Kari Rissanen, Benedict Petran, Steven Terhorst, Deo Prakash Tiwari, Daniela Meister
Publikováno v:
Organic Letters. 22:4766-4770
2,2,2-Trifluoroethyl-substituted 3-oxazolines, 3-thiazolines, and 5,6-dihydro-2H-1,3-oxazines have been obtained by reacting substituted vinyl azides with a combination of Togni’s reagent and substoichiometric amounts of iron(II) chloride. The resu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38476ab55fc7b3e142293c79d25a3e94
https://doi.org/10.1021/acs.orglett.0c01566
https://doi.org/10.1021/acs.orglett.0c01566
Autor:
Steven, Terhorst, Deo Prakash, Tiwari, Daniela, Meister, Benedict, Petran, Kari, Rissanen, Carsten, Bolm
Publikováno v:
Organic letters. 22(12)
2,2,2-Trifluoroethyl-substituted 3-oxazolines, 3-thiazolines, and 5,6-dihydro-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ce39e278193483b7e8a26da71677dd1e
https://pubmed.ncbi.nlm.nih.gov/32496070
https://pubmed.ncbi.nlm.nih.gov/32496070
Publikováno v:
European Journal of Organic Chemistry. 2017:2369-2378
Two new synthetic routes that deliver substituted imidazoindoles in high yields with excellent ee values have been developed. The reactions proceed through ring-opening of activated aziridines with 2,2-dibromovinylanilines or 2-bromoindoles, followed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08c2f4570e82477dbc34c056e1d661bb
https://doi.org/10.1002/ejoc.201700267
https://doi.org/10.1002/ejoc.201700267
Publikováno v:
Organic Letters. 19:1706-1709
4-Unsubstituted 1,2-benzothiazines are prepared from sulfoximines and allyl methyl carbonate by Rh(III)-catalyzed domino allylation/oxidative cyclization. A wide range of functional groups on the sulfoximine are tolerated. A plausible mechanism is pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f481080c8ff493c5e26256915df7ea14
https://doi.org/10.1021/acs.orglett.7b00488
https://doi.org/10.1021/acs.orglett.7b00488
Publikováno v:
Tetrahedron. 72:613-624
An efficient strategy for nucleophilic ring opening of donor-acceptor (DA)-cyclopropanes with electron rich arenes to provide 2-(2,2-diarylethyl)malonates in excellent yields is described. The reaction was found to be successful with heteroarenes as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d141a8e846bcfae613b3ebecb60cdbbe
https://doi.org/10.1016/j.tet.2015.12.001
https://doi.org/10.1016/j.tet.2015.12.001
Publikováno v:
Organic letters. 19(16)
An atom transfer radical addition elimination (ATRE) reaction of terminal alkenes with perfluoroalkyl halides under visible light is described. The photoredox catalysis with Eosin Y provides perfluoroalkenes in good yields. The reaction has been util
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b7ea4fd365d105cf6d0043f4e5cae8a
https://pubmed.ncbi.nlm.nih.gov/28766948
https://pubmed.ncbi.nlm.nih.gov/28766948
Publikováno v:
Organic Letters. 16:2204-2207
An unprecedented and domino synthetic strategy for the synthesis of highly functionalized carbocyclic β-enaminoesters bearing an all-carbon quaternary center via Yb(OTf)3-catalyzed ring-opening cyclization/decarboxylative tautomerization of donor-ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec2cd09936903473737e9a0f05b8b5ad
https://doi.org/10.1021/ol5007218
https://doi.org/10.1021/ol5007218
Autor:
Deo Prakash Tiwari, Manas K. Ghorai
Publikováno v:
The Journal of Organic Chemistry. 78:2617-2625
An efficient and practical strategy for the synthesis of highly functionalized racemic and non-racemic 4,5-dihydropyrroles via domino ring-opening cyclization (DROC) of activated aziridines with malononitrile in excellent yield and stereoselectivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29ec8f0491dde1fc1eda75844ed1ab4c
https://doi.org/10.1021/jo302815m
https://doi.org/10.1021/jo302815m
Publikováno v:
ChemInform. 47
Cyclopropanedicarboxylates (I) undergo regioselective ring opening with 1,3,5-trimethoxybenzene (II) and N-methylindoles (IV) in the presence of a Lewis acid catalyst to give the corresponding title compounds in high yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e5034275714c5dd500f816e4aa915a4
https://doi.org/10.1002/chin.201622034
https://doi.org/10.1002/chin.201622034
Publikováno v:
Journal of Chemical Sciences. 123:951-961
Quaternary ammonium salt mediated highly regioselective ring opening of aziridines with zinc(II) halides to racemic and non-racemic β-halo amines in excellent yield and selectivity is described. The reaction proceeds via an SN2-type pathway and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9af0db358c51349a4d2010504beeefef
https://doi.org/10.1007/s12039-011-0178-0
https://doi.org/10.1007/s12039-011-0178-0