Synthesis of meso-substituted core modified expanded porphyrins; Effect of acid catalysts on the cyclization

Tetrahedron Letters

Volumn 39, Issue 14, 1998, Pages 1961-1964

  Srinivasan, Alagar ^a   Mahajan, Sumeet ^a   Pushpan, Simi K ^a   Ravikumar, Murugaeson ^a   Chandrashekar, Tavarekere K ^a  

^a INDIAN INSTITUTE OF TECHNOLOGY KANPUR   (India)

Author keywords

[No Author keywords available]

Indexed keywords

PORPHYRIN DERIVATIVE;

ARTICLE; CATALYSIS; CHEMICAL STRUCTURE; CYCLIZATION; PROTON NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS;

EID: 0032473895     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00105-1     Document Type: Article

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9. 2 and identified as 5 in 2% yield. Similar procedure was followed for 2b.
10. -4) Soret 523(7.98), Q-bands 659(0.49), 717(1.02), 837(0.05), 958(0.06). Combustion analysis of 1a, 1b, and 5 gave satisfactory data.
11. 8. Chang-Hee Lee, Lindsey, J.S.; Tetrahedron, 1994, 50, 11427-11440.
12. 9. Lindsey J. S.; Wagner, R.W. J. Org. Chem. 1989, 54, 828-836.