Conclusions
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1.
The optimum conditions for conducting coupling reactions of terminal acetylenes with organic halides in the presence of amines, CuI, and palladium complexes were determined.
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2.
Pd(0)-Pd(PPh3)2 and Pd (II)-R'PdX (PPh3)2 complexes are intermediates in the catalytic reactions of RC≡CH with R'X(“Pd,” Et3N, CuI).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1561–1566, July, 1984.
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Bumagin, N.A., Ponomarev, A.B. & Beletskaya, I.P. Cross-coupling of terminal acetylenes with organic halides in the R3N-CuI-Pd system. Russ Chem Bull 33, 1433–1438 (1984). https://doi.org/10.1007/BF00956520
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DOI: https://doi.org/10.1007/BF00956520