Convergent synthesis of 1 → 3 C-branched polyamide dendrons

Synlett

Volumn , Issue 12, 1998, Pages 1396-1398

  Brettreich, Michael ^a   Hirsch, Andreas ^a  

^a UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0003091916     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1998-1945     Document Type: Article

References (14)

1. Newkome, G. R.; Moorefield, C. N.; Vögtle, F. Dendritic Molecules, VCH, New York, 1996.
2. a.) Newkome, G. R.; Behera, R. K.; Moorefield, C. N.; Baker, G. R. J. Org. Chem. 1991, 56, 7162;
3. b.) Newkome, G. R.; Nayak, A.; Behera, R. K.; Moorefield, C. N.; Baker, G. R. J. Org. Chem. 1992, 57, 358.
4. Newkome, G. R.; Weis, C. D., Moorefield, C. N. Macromolecules 1997, 30, 2300.
5. Newkome, G. R.; Narayanan, V. V.; Echegoyen, L.; Peréz-Cordero, E.; Luftmann, H. Macromolecules 1997, 30, 5187.
6. Newkome, G. R.; Güther, R.; Moorefield, C. N.; Cardullo, F.; Echegoyen, L.; Peréz-Cordero, E.; Luftmann, H. Angew. Chem. Int. Ed. Engl. 1995, 34, 2023.
7. Dandliker, P. J.; Diederich, F.; Zingg, A.; Gisselbrecht, J.-P.; Gross, M.; Louati, A.; Sanford, E. Helv. Chim. Acta 1997, 80, 1773;
8. Mattei, S.; Seiler, P.; Diederich, F.; Gramlich, V. Helv. Chim. Acta 1995, 78, 1904;
9. Wallimann, P.; Seiler, P.; Diederich, F. Helv. Chim. Acta 1996, 79, 779.
10. Camps, X.; Schönberger, H.; Hirsch, A. Chem. Eur. J. 1997, 3, 561.
11. Brettreich, M.; Hirsch, A. Tetrahedron Lett. 1998, 39, 2731.
12. Newkome, G. R.; Weis, C. D. Org. Prep. Proced. Int. 1996, 28, 485;
13. Newkome, G. R.; Behera, R. K.; Baker, G. R. Acta Crystallogr. 1994, C50, 120.
14. 12 (1512.0): C 62.76, H 9.20, N 3.71; found: C 62.39, H 9.60, N 3.61. 9-Cascade:aminomethane[3]:(2-aza-3-oxopentylidyne):pro-panoicacid-tert- butylester 5: To a solution of 163 mg (0.11 mmol) 4 in 15 ml dry ethanol 150 mg Raney-nickel [Aldrich] were added and hydrogenated under normal pressure and room temperature for 24 hours.