Zobrazeno 1 - 5
of 5
pro vyhledávání: '"M. W. Burden"'
Publikováno v:
Journal of Porphyrins and Phthalocyanines. :295-304
A method for the preparation of an α-formylated pyrrole or dipyrromethane which contains an electron-withdrawing β-acetyl is described. Formylation proceeds directly from the corresponding acid pyrrole or dipyrromethane without the need of the usua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::163328e5e071eeb3368f19c1795898c2
https://doi.org/10.1002/(sici)1099-1409(199807/10)2:4/5<295::aid-jpp71>3.0.co
https://doi.org/10.1002/(sici)1099-1409(199807/10)2:4/5<295::aid-jpp71>3.0.co
Publikováno v:
Synthetic Communications. 25:379-387
The class of title pyrroles, important intermediates in porphyrin synthesis, have been prepared via the Barton and Zard method. The benzyl isocyanoacetate used in the synthesis was in turn prepared in an efficient and inexpensive 3-step piocedure fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3204b8f6a4e3cff528562232f57daab
https://doi.org/10.1080/00397919508011369
https://doi.org/10.1080/00397919508011369
Publikováno v:
Tetrahedron Letters. 34:2883-2886
Formation of porphodimethene 2 by condensation of pyrromethanes 3 and 4 , metalation with Zn(OAc) 2 under neutral conditions and heating to 55°C for 1 hour in chloroform produces chlorin 5 in 27% yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73deb1c0525fb1b932df8c3acbe10de9
https://doi.org/10.1016/s0040-4039(00)60471-9
https://doi.org/10.1016/s0040-4039(00)60471-9
Publikováno v:
ChemInform. 24
Formation of porphodimethene 2 by condensation of pyrromethanes 3 and 4 , metalation with Zn(OAc) 2 under neutral conditions and heating to 55°C for 1 hour in chloroform produces chlorin 5 in 27% yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1840888ef4d8b63779d4c3ca090cf8a4
https://doi.org/10.1002/chin.199332217
https://doi.org/10.1002/chin.199332217
Publikováno v:
ChemInform. 26
The class of title pyrroles, important intermediates in porphyrin synthesis, have been prepared via the Barton and Zard method. The benzyl isocyanoacetate used in the synthesis was in turn prepared in an efficient and inexpensive 3-step piocedure fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1ca83cc0e93252ffb957260a438d783
https://doi.org/10.1002/chin.199525120
https://doi.org/10.1002/chin.199525120