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Table 1 Product yield and molecular weight as a function of metallocene.

From: Ability of Group IVB metallocene polyethers containing dienestrol to arrest the growth of selected cancer cell lines

Metallocene

% Yield

dn/dc

Mw

DP

Titanocene

43

-3.5

3.3 × 107

70,000

Zirconocene

42

-1.0

6.7 × 106

14,000

Hafnocene

47

-0.40

2.1 × 105

400

  1. Note. While the solubility in DMSO is too low to permit NMR and LS in DMSO it is sufficient to allow for biological testing employing DMSO stock solution.
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BMC Cancer

ISSN: 1471-2407

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