Novel palladium-catalyzed thiophosphorylation of alkynes with phosphorethioate: An efficient route to (Z)-1-(diphenoxyphosphinyl)-2-(phenylthio)alkenes

Chemistry Letters

Volumn , Issue 9, 1999, Pages 863-864

  Han, Li Biao ^a   Tanaka, Masato ^a  

^a NATL INST OF MAT AND CHEM RES   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0033474850     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1999.863     Document Type: Article

References (23)

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4. d) L.-B. Han and M. Tanaka, Chem. Commun., 1999, 395.
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15. For other palladium-catalyzed additions of phosphorous-containing bond: a) L.-B. Han and M. Tanaka, J. Am. Chem. Soc., 118, 1571 (1996).
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20. 31P NMR (CDCIs) δ 14.9. This compound is known: S. Masson. J.-F. Saint-Clair, A. Dore, and M. Saquet, Bull. Soc. Chim. Fr., 133, 951 (1996).
21. -1 . NOE experiment: irradiation at the triplet centered at δ 2.12 resulted in a 13% increase of the doublet centered at 5 5.81, indicating the Z-configuration.
22. Heating an E/Z mixture (E/Z = 3/97) of 1 b in toluene at 100 °C for 3 h, did not cause detectable change in the E/Z ratio, indicating that the E isomer was not formed via simple thermal isomerizatioo of the Zadduct.
23. P-P = 16.1 Hz).