dear friends,
I would be thankful if any one can help me with the following articles
thank you
1.Clay-mediated meso-tetraarylporphyrin synthesis
Onaka, M.; Shinoda, T.; Izumi, Y.; Nolen, E.
Tetrahedron Lett. 1993, 34, 2625.
http://www.sciencedirect.com/science/article/pii/S0040403900776416
2. Improved Syntheses of 5,10,15,20-Tetrakisaryl- and Tetrakisalkylporphyrins
Johnstone, R. A.; Nunes, M. L.; Pereira, M. M.; Gonsalves, M. R.; Serra, A. C.
Heterocycles 1996, 43, 1423.
http://www.heterocycles.jp/newlibrary/payments/form/06278/PDF