Low valent titanium induced one pot synthesis of imidazolines

Tetrahedron Letters

Volumn 37, Issue 27, 1996, Pages 4767-4770

  Periasamy, Mariappan ^a   Reddy, Malladi Rama ^a   Kanth, J V Bhaskar ^a  

^a UNIVERSITY OF HYDERABAD   (India)

Author keywords

[No Author keywords available]

Indexed keywords

IMIDAZOLIDINE DERIVATIVE;

ARTICLE; DRUG SYNTHESIS; REACTION ANALYSIS; TECHNIQUE;

EID: 0030199962     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)00930-6     Document Type: Article

References (13)

1. 1. Narayana, C. and Periasamy, M. J. Organomet. Chem., 1987, 323, 145.
2. 2. Narayana, C. and Periasamy, M. J. Chem. Soc., Chem.Commn. 1987, 1857.
3. 3. Bhaskar Kanth, J. V. and Periasamy, M. J. Chem. Soc., Chem.Commn. 1990, 1145.
4. 4. Periasamy, M.; Bhaskar Kanth, J. V. and Kishan Reddy, Ch. J. Chem. Soc., Perkin.Trans I. 1995, 427.
5. 5. Mangeney, P.; Tejero, T.; Alexakis, A.; Grosjean, F. and Normant, J. Synthesis, 1988, 255.
6. 6. Baruah, B.; Prajapati, D. and Sandhu, J. S. Tetrahedron Lett., 1995, 36, 6747.
7. 13C NMR data of the compounds 2-7 in CDCl3.are (2). δ ppm 15.3, 33.6, 36.6, 74.4, 76.1, 78.3, 125.8, 126.6, 138.5, 139.0. (3) 11.8, 11.9, 17.7, 21.3, 22.5, 48.0, 57.5, 74.2, 76.8, 78.0, 126.8, 127.2, 127.7, 128.0, 128.5, 140.4, 142.0. (4) 17.6, 50.2, 58.5,73.9, 75.9, 77.3, 126.6, 126.8, 127.3, 127.7, 128.0, 128.3, 128.4, 128.5, 128.8, 129.2, 129.6, 137.4, 139.6, 139.9, 141.0. (5) 24.5, 24.9, 26.1. 32.3, 34.6, 53.0, 65.1, 126.4, 127.1, 127.8, 128.0, 128.3, 141.9. Additional signals seen at 24.6, 26.2, 32.6, 34.9, 53.8, 66.3, 127.6, 142.7, corresponding to the presence of ∼30 % of cis isomer. (6) 12.0, 12.1, 22.1, 22.5, 25.2, 31.9, 54.5, 54.9, 65.8, 66.2, 126.7, 127.3, 127.9, 128.3, 141.7, 145.6 The signals due to ∼25 % of cis isomer seen at 22.3, 25.3, 32.8, 54.7, 55.1, 66.1, 66.4, 127.1, 127.8, 128.0, 128.5, 141.5, 146.1 (7) 22.5, 24.6, 54.7, 64.1, 65.0, 66.1, 66.4, 126.5, 126.6, 127.0, 127.2, 127.7, 129.9, 128.5, 128.8, 141.0, 141.6, 146.3 Additional signals are seen at 22.1, 25.2, 54.9, 65.7, 66.2, 66.5, 126.7, 127.8, 128.2, 141.7, 146.4 corresponding to the presence of ∼35 % of cis isomer.
8. 8. Lai, Y. H. Synthesis, 1981, 585
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12. 12. a)Uozumi, Y.; Mori, M.; Shibasaki, M. J. Chem. Soc., Chem. Commun., 1991, 81.
13. b)Hori, M. and Mori, M. J. Org. Chem., 1995, 60, 1480 and the references cited there in.