Palladium catalysed coupling reactions using guanidinium phosphine complexes on glass beads

Synlett

Volumn , Issue 10, 1999, Pages 1645-1647

  Leese, Mathew P ^a   Williams, Jonathan M J ^a  

^a University of Bath Claverton Down   (United Kingdom)

Author keywords

Glass beads; Guanidinium phosphines; Heck reaction; Palladium catalysis; Sonogashira reaction

Indexed keywords

GLASS; GUANIDINE; PALLADIUM; PHOSPHINE DERIVATIVE;

ARTICLE; CATALYSIS; CHEMICAL STRUCTURE; REACTION ANALYSIS; REACTION TIME; RECYCLING; SYNTHESIS;

EID: 0032826656     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1999-2907     Document Type: Article

References (12)

1. W. A. Herrmann, W. A.; Cornils B. Angew. Chem. Int. Ed. Engl. 1997, 36, 1048.
2. For lead references on supported liquid phase catalysis see (a) Anson, M. S.; Leese M. P.; Tonks L.; Williams J. M. J. J. Chem. Soc., Dalton Trans., 1998, 3529 and references therein.
3. (b) Davis M. E. Chemtech 1992, 498.
4. Tonks L.; Anson M. S.; Hellgardt K.; Mirza A. R.; Thompson D. R.; Williams J. M. J .Tetrahedron Lett. 1997, 38, 4319.
5. For a discussion on the use of sulfonated phosphines see see Cornils B.; Kuntz E. G. J. Organomet. Chem. 1995, 502, 177.
6. Hessler, A; Stelzer, O.; Dibowski, H.; Worm, K.; Schmidtchen, F. P. J. Org. Chem. 1997, 62, 2362.
7. 5
8. CPG beads are commercially available from Cambio, 34 Newnham Road, Cambridge, UK CB3 9ET.
9. Sonogashira, K. In Comprehensive Organometallic Synthesis; Trost B.M.; Fleming I., Ed,;Pergamon: Oxford, 1991; Vol. 3, p 521.
10. Rossi, R.; Carpita, A.; Bigelli, C. Tetrahedron Lett. 1985, 26, 523.
11. The fate of the copper salt has not been established.
12. Mirza, A.R.; Anson, M.S.; Hellgardt, K.; Leese, M.P.; Thompson, D.F.; Tonks, L.; Williams, J.M.J, Org. Proc. Res. Dev. 1998, 2, 325.