5
546
X. Zhao et al. / Journal of Organometallic Chemistry 691 (2006) 5540–5546
[3] J. Kope cˇ ek, Biomaterials 5 (1984) 19–25.
[
(CD ) SO, d]: d = 2.12, (8H, CH CO), 2.21–2.33, (4H,
3 2 2
[
4] D. Tiwari, R. Sause, P.L. Madan, AAPS Pharmsci. 1 (3) (1999)
article 13).
CH N), 2.77 (8H, CH CH CO), 3.57–3.68, (8H,
NHCH CH N@), 4.09, (8H, NHCH CH N@), 7.77–9.13,
2
2
2
(
2
2
2
2
[5] G.R. Newkome, J.M. Keith, G.R. Baker, G.H. Escamilla, C.N.
Moorefield, Angew. Chem., Int. Ed. Engl. 33 (1994) 666.
(
Py), 9.03, (s, 4H, CH@N).
13
C NMR [(CD ) SO, d]: 197.68, 197.35, 187.53, 172.91,
[6] U. Lungwitz, M. Breunig, T. Blunk, A. G o¨ pferich, Eur. J. Pharm.
Biopharm. 60 (2005) 247–266.
3
2
1
3
71.28, 155.54, 154.00, 141.24, 130.07, 64.28, 52.14, 50.13,
9.18, and 33.59.
[
[
7] U. Boas, P.M.H. Heegaard, Chem. Soc. Rev. 33 (2004) 43–63.
8] H. Nemoto, J.G. Wilson, H. Nakamura, Y. Yamamoto, J. Org.
Chem. 57 (1992) 435.
[
G1APy A{ReBr(CO) } ] (8C), Anal. Calc. for
8
3 8
C134H158N O Br Re : C, 32.48; H, 3.22; N, 9.62. Found:
C, 32.43; H, 3.59; N, 9.33%. H NMR [(CD ) SO, d]:
d = 2.23, (24H, CH CO), 2.40–2.67, (36H, CH N); 3.07,
34
36
8
8
[9] B. Qualmann, M.M. Kessel, H.J. Musiol, W.D. Sierralta, P.W.
Jungblut, L. Moroder, Angew. Chem., Int. Ed. Engl. 35 (1996)
909.
1
3
2
2
2
[
[
10] J.M.J. Fr e´ chet, D.A. Tomalia, Dendrimers and Other Dendritic
Polymers, Wiley, New York, 2001.
11] G.R. Newkome, C.N. Moorefield, F. V o¨ gtle, Dendrimers and
Dendrons: Concepts, Synthesis, Applications, Wiley-VCH, Wein-
heim, 2001.
(
16H, NHCH CH N); 3.44–3.78, (16H, NHCH CH N@);
2
2
2
2
4
.09 (16H, NHCH CH N@); 7.78–9.15 (Py); 9.04, (s, 8H,
2
2
13
CH@N); C NMR [(CD ) SO, d]: 197.99, 197.45, 187.68,
1
3
2
72.66, 171.37, 155.65, 154.03, 141.26, 130.07, 64.38,
5
2.94, 50.11, 39.23, 33.69.
[12] R. Esfand, D.A. Tomalia, Drug Disc. Today 6 (2001) 427–436.
[13] A. Bielinska, J.F. Kukowska-Latallo, J. Johnson, D.A. Tomalia,
J.R. Baker, Nucleic Acid. Res. 24 (1996) 2176–2182.
[
G2APy A{ReBr(CO) } ] (16C). Anal. Calc. for
1
6
3 16
C186H336N O Br Re : C, 33.40; H, 3.29; N, 10.08.
Found: C, 32.00; H, 4.29; N, 9.20%. C NMR [(CD ) SO,
74
76 16
16
[
14] O.L.P. De Jesus, H.R. Ihre, L. Gagne, J.M.J. Fr e´ chet, F.C. Szoka,
Bioconjug. Chem. 13 (2002) 453–461.
1
3
3
2
d]: 197.57, 197.14, 187.37, 173.11, 171.16, 155.22, 153.80,
[15] F. Aulenta, W. Hayes, S. Rannard, Eur. Poly. J. 39 (2003) 1741–
1771.
1
41.18, 129.99, 63.98, 52.84, 49.96, 36.80, and 32.69.
[
16] S. Jurisson, D. Berning, W. Jia, D. Ma, Chem. Rev. 93 (1993)
137.
1
5
. Supplementary material
[17] R. Schibli, R. Schwarzbach, R. Alberto, K. Ortner, H. Schmalle, C.
Dumas, A. Egli, P.A. Schubiger, Bioconjug. Chem. 13 (2002) 750.
Crystallographic data (excluding structure factors) for
[18] M. Nicolini, G. Bandoli, U. Mazzi Technetium and Rhenium in
Chemistry and Nuclear Medicine, vol. 4, Editoriali, Padova, Italy,
the structure of 1C have been deposited with the Cam-
bridge Crystallographic Data Centre as Supplementary
Publication No. CCDC 612878. Copies of the data can
be obtained free of charge on application to CCDC, 12
Union Road, Cambridge, CB2 1EZ, UK, fax: +44 1223
1
995, p. 363.
19] L. Xu, J. Pierreroy, B.O. Patrick, C. Orvig, Inorg. Chem. 40 (2001)
005–2010.
20] I.G. Santos, U. Abram, R. Alberto, E.V. Lopez, A. Sanchez, Inorg.
Chem. 43 (2004) 1834–1836.
[
[
2
[21] N.M. Shavaleev, Z.R. Bell, G. Accorsi, M.D. Ward, Inorg. Chim.
Acta. 351 (2003) 159–166.
ˇ
[
22] J. Granifo, S.J. Bird, K.G. Orrell, A.G. Osborne, V. Sik, Inorg.
Chim. Acta. 295 (1999) 56–63.
23] C.M. Jung, W. Kraus, P. Leibnitz, H.j. Pietzsch, J. Kropp, H. Spies,
Eur. J. Inorg. Chem. (2002) 1219–1225.
Acknowledgements
[
The authors thank Mr. K. Shashi of the Protein and
Proteomics Center, Department of Biological Science, Na-
tional University of Singapore for his advice on mass spec-
trometry. This research is funded by the Academic
Research Fund, National Institute of Education (NIE),
Nanyang Technological University, and a postgraduate re-
search scholarship to Ms. Xinxin Zhao.
[24] R.S. Herrick, I. Wrona, N. Mcmicken, G. Jones, C.J. Ziegler, J.
Shaw, J. Organomet. Chem. 689 (2004) 4848–4855.
[25] K.J.C.V. Bommel, G.A. Metselaar, W. Verboom, D.N. Reinhoudt,
J. Org. Chem. 66 (2001) 5405–5412.
[
26] Z. Afrasiabi, E. Sinn, J. Chen, Y. Ma, A.L. Rheingold, L.N.
Zakharov, N. Rath, S. Padhye, Inorg. Chim. Acta 357 (2004) 271–
278.
[
[
27] G.D. Storrier, K. Takada, H.D. Abru n˜ a, Langmuir 15 (1999) 872–
8
84.
28] US Pat. 4507466, 1985.
References
[29] A.J. Hill, R.A. Samuel, J. Am. Chem. Soc. 66 (1939) 822–825.
[30] G.M. Shelderick, SHELXTL PC Version 5.03, Siemens Analytical X-ray
[
1] J.M. Heldt, N.F. Durand, M. Salmain, A. Vessi e` res, G. Jaouen, J.
Organomet. Chem. 689 (2004) 4775–4782.
Instruments Inc., Madison, WI, 1994.
[31] H.D. Flack, Acta Cryst. A39 (1983) 876–881.
[
2] H. Bader, H. Ringsdorf, B. Schmidt, Angew. Mak. Chem. 123 (1984)
[32] S.P. Schmidt, W.C. Trogler, F. Basolo, Inorg. Synth. 28 (1990)
160.
457–485.