Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Guang-Fen Du"'
Publikováno v:
Journal of Saudi Chemical Society, Vol 20, Iss 2, Pp 207-212 (2016)
A N-heterocyclic carbene (NHC) catalyzed addition reaction of 3-trimethylsilyl propiolate with aldehydes has been developed. Under the catalysis of 2 mol% NHCs, benzaldehyde, furfural, β-naphthaldehyde, meta- and para-substituted aromatic aldehydes
Externí odkaz:
https://doaj.org/article/fc9922dc77f54b3281627b057ba8d961
Publikováno v:
Journal of Saudi Chemical Society, Vol 19, Iss 1, Pp 112-115 (2015)
An organocatalytic protocol for the synthesis of dimethyl carbonate has been developed. Under the catalysis of 5 mol% N-heterocyclic carbenes, ethylene carbonate undergoes transesterification reaction with methanol under very mild reaction conditions
Externí odkaz:
https://doaj.org/article/615b2e36f0ab438883ed578c9e94b0e8
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
N-Heterocyclic carbenes catalyzed hydrophosphonylation reaction of α-ketoesters and α-trifluoromethyl ketones was developed. Under the catalysis of 10 mol% IPr, α-ketoesters or α-trifluoromethyl ketones reacted with dialkyl phosphites to provide
Externí odkaz:
https://doaj.org/article/9849a5ecc8d64442bd7a56384928bab9
Publikováno v:
Organic Chemistry Frontiers. 8:6979-6984
A mild and transition-metal free tandem reaction for the construction of 6H-benzo[c]thiochromenes has been developed. Thionoesters react with two molecules of arynes through a Diels–Alder cycloaddition/nucleophilic arylation process to afford 6-alk
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29b73769494ff2bbed4c9dd6047e694c
https://doi.org/10.1039/d1qo01177d
https://doi.org/10.1039/d1qo01177d
Publikováno v:
Organic & Biomolecular Chemistry. 19:9237-9241
The organic superbase t-Bu-P4-catalyzed direct thiolation of trimethyl(perfluorophenyl)silanes and thiosulfonates was developed. Yields of perfluorophenylsulfides of up to 97% under catalysis of 5 mol% t-Bu-P4 were achieved. This method was shown to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::379a01e87d7fbbd79f67b73dc4834e15
https://doi.org/10.1039/d1ob01350e
https://doi.org/10.1039/d1ob01350e
Publikováno v:
New Journal of Chemistry. 45:7256-7260
An organic superbase-catalyzed aminocarbonylation reaction of α,β-unsaturated ketones was reported. Under the catalysis of 10 mol% Schwesinger's superbase t-Bu-P4, a variety of enones and ynones reacted with N,N-dimethyl carbamoylsilane to afford
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a760fd99b866cc0809e7ea5661417196
https://doi.org/10.1039/d1nj00782c
https://doi.org/10.1039/d1nj00782c
Publikováno v:
Organic Letters. 21:3496-3500
Two tandem processes involving the cycloaddition of benzynes have been developed for the synthesis of polyaromatic hydrocarbons. Benzynes react with fluorene-derived alkenes through a tandem Diels-Alder reaction/dehydrogenation process to afford benz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da0845c31a1fb1fdfc685ef7747d9b64
https://doi.org/10.1021/acs.orglett.9b00659
https://doi.org/10.1021/acs.orglett.9b00659
Publikováno v:
New Journal of Chemistry. 43:10985-10988
An organocatalytic cyanation reaction of gem-difluoroalkenes was developed. Under the catalysis of 10 mol% DBU, gem-difluoroalkenes undergo a nucleophilic addition-β-elimination reaction with trimethylsilyl cyanide to provide α-fluoroacrylonitriles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1a19008afe264cc7cb06027ae25503f
https://doi.org/10.1039/c9nj02370d
https://doi.org/10.1039/c9nj02370d
Publikováno v:
Organicbiomolecular chemistry. 19(16)
An N-heterocyclic carbene-catalyzed synthesis of dibenzofulvenes and fluorenyl alcohols was developed. In the presence of 10 mol% NHC (1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) and 4 A molecular sieves, 9-(trimethylsilyl)fluorene undergoes an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54d081ccca7dcdcd41da7454790bfadd
https://pubmed.ncbi.nlm.nih.gov/33908559
https://pubmed.ncbi.nlm.nih.gov/33908559
Publikováno v:
The Journal of organic chemistry. 85(21)
A mild and transition-metal-free benzannulation reaction for the construction of the naphthalene skeleton has been described. Benzynes react with α-cyano-β-alkylenones through a tandem nucleophilic addition/cyclization/aromatization process to affo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c11626af6a00310356e9ac17866be21
https://pubmed.ncbi.nlm.nih.gov/33115229
https://pubmed.ncbi.nlm.nih.gov/33115229