Synthesis of optically quadratic nonlinear phenylpyridylacetylenes

…, N Ohnishi, K Takemoto, H Yoshida…

Index: Kondo, Koichi; Ohnishi, Noriaki; Takemoto, Kiichi; Yoshida, Hidetsugu; Yoshida, Kunio Journal of Organic Chemistry, 1992 , vol. 57, # 5 p. 1622 - 1625

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Citation Number: 30

Abstract

4-Pyridinecarboxaldehyde was reacted with diphenyl phosphite in THF at 0 OC for 1 h to produce diphenyl l-hydroxy-1-(4-pyridyl) methanephosphonate (1) in 40% yield. Hydroxy compound 1 was converted into diphenyl l-chloro-l-(4-pyridyl) methanephosphonate (2) by treatment with POC13/PhN (Et) 2 at 90 OC for 1 h. At the next step, 2 and the 4-substituted benzaldehyde in THF were treated with 2 equiv of t-BuOK at room temperature for 6 h to ...

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Synthesis of optically quadratic nonlinear phenylpyridylacetylenes

Abstract

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