Journal of the American Chemical Society

Transition metal promoted reactions. 30. Cyclopropyl anion as an allyl anion synthon. Novel synthesis of butadienes by nickel-catalyzed coupling of cyclopropyl …

DKP Ng, TY Luh

Index: Ng; Luh Journal of the American Chemical Society, 1989 , vol. 111, # 25 p. 9119 - 9121

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Citation Number: 23

Abstract

The unlabeled dodecamer helix, d [CGCA (s)-AAAAAGCG]. d [CGCTTTTTTGCG], exhibited a T, of 55" C, and this was indistinguishable from the T, values obtained for the PROXYL- labeled (a in Figure 1) or drug-labeled (b in Figure 1) helices. The T, value for the self- complementary eicosomer, d [CGTACTAGTT (s) AACTAGTACGI2, with two labels was also largely unchanged (68.5" C) in comparison to the unlabeled fragment (T,= 67" C).

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