Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Chikashi Kanazawa"'
Autor:
Masahiro Terada, Chikashi Kanazawa
Publikováno v:
Chemistry - An Asian Journal. 4:1668-1672
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fa37bcb8562272c38c4bb1e1b3bb7de
https://doi.org/10.1002/asia.200900342
https://doi.org/10.1002/asia.200900342
Publikováno v:
Synlett. 2009:638-642
The tandem addition-cyclization reaction between o-alkynylbenzaldehyde and nucleophile catalyzed by P4- t Bu, a phosphazene base, is demonstrated. The nucleophilic cyclization is efficiently triggered not only by alcohols, including sterically demand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0103c761db1a5db9dec7859b55e541e
https://doi.org/10.1055/s-0028-1087909
https://doi.org/10.1055/s-0028-1087909
Publikováno v:
Angewandte Chemie. 117:7896-7899
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0df32c75676c4f72a95e17e9d9a1b5ed
https://doi.org/10.1002/ange.200502252
https://doi.org/10.1002/ange.200502252
Autor:
Masahiro Terada, Chikashi Kanazawa
Publikováno v:
Tetrahedron Letters. 48:933-935
The organic-base-catalyzed 5-exo intramolecular cyclization reaction of o-alkynylbenzoic acid produces the corresponding phthalide regioselectively in good to excellent yields. The method provides a practical access to the phthalides, an important cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cadc13c0e608d7c12f70eb8f4c7af1f
https://doi.org/10.1016/j.tetlet.2006.12.015
https://doi.org/10.1016/j.tetlet.2006.12.015
Autor:
Masahiro Terada, Chikashi Kanazawa
Publikováno v:
ChemInform. 41
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8121be5f92b4fd398f0e2c3ccf6a45b6
https://doi.org/10.1002/chin.201009116
https://doi.org/10.1002/chin.201009116
Publikováno v:
ChemInform. 41
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59eaea14316006adbad49d0a3516bd83
https://doi.org/10.1002/chin.201003098
https://doi.org/10.1002/chin.201003098
Publikováno v:
ChemInform. 40
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f7bc4458314edc2e193b624a10f1216
https://doi.org/10.1002/chin.200928088
https://doi.org/10.1002/chin.200928088
Publikováno v:
ChemInform. 39
Theoretical studies of the organic base-catalyzed 5-exo intramolecular cyclization of o-alkynylbenzoic acid were documented. The acidic fragment participating in the transition states was shown to reduce the activation energy significantly on the bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::730e73beee27264e903f711cc1715d53
https://doi.org/10.1002/chin.200828028
https://doi.org/10.1002/chin.200828028
Publikováno v:
Journal of the American Chemical Society. 127(25)
The copper-catalyzed reaction of isocyanides (CNCH2EWG1) 1 with electron-deficient alkynes (RC[triple bond]CEWG2) 2 gave the 2,4-di-EWG-substituted pyrroles 3 selectively, whereas the phosphine-catalyzed reaction of 1 with 2 afforded the 2,3-di-EWG-s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d8caf7c8b0df85a496dc364569f8efb
https://pubmed.ncbi.nlm.nih.gov/15969607
https://pubmed.ncbi.nlm.nih.gov/15969607
Publikováno v:
Journal of the American Chemical Society. 128:10662-10663
The copper-catalyzed reaction between two different isocyanides produces the corresponding heteroaromatization products, imidazoles, in good yields. The reaction proceeds most probably through the activation of the sp3 C−H bond in the isocyanides b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca0cdcae56e15a85c3fa5649893bec66
https://doi.org/10.1021/ja0617439
https://doi.org/10.1021/ja0617439