Reactions of tris(2‐pyridyl)phosphines and tris(2‐pyridyl)phosphine oxides with some electrophiles

Uchida, Yuzuru; Kajita, Kimihiko Matsuoka Ryuji; Kawasaki, Yoshikane; Ōae, Shigeru

doi:10.1002/(sici)1098-1071(1997)8:5<439::aid-hc9>3.3.co;2-a

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Synthesis and Properties Of [(2-py) 3 Pr]x1

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2006

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“…14). Uchida et al 11d,12,15,16 have previously reported in closely related systems the formation of bipyridines from (1) the reaction of 2-pyridylphosphines or 2-pyridylphosphine oxides and chlorine followed by slow hydrolysis in alcohol or water and (2) the slow reaction of pyridylphosphine oxides or 1d with H 2 O (CH 3 OH) or H 2 O(CH 3 OH)/HCl, respectively. In this work, the same authors proposed a reaction mechanism (Scheme 2 11d,16 ) that accounts for the formation of 2 and 3.…”

Section: Synthesis and Properties Of [(2-py) 3 Pr]xmentioning

confidence: 98%

Synthesis and Characterization of Alkyltris(2-pyridyl)phosphonium Salts

Bowen

Fernandes

Gitari

et al. 2006

Phosphorus, Sulfur, and Silicon and the Related Elements

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Alkytris(2-pyridyl)phosphonium salts [(2-Py)were synthesised from (2-Py) 3 P and an excess of RCl. 1c and 1e were found to rapidly decompose in hot acetone to 2,2 -bipyridinium(+1) bromide 2 and (2-Py)P(O)(CH 2 Ph)C(OH)Me 2 3, respectively. A reaction mechanism for both products is proposed. All compounds were fully characterized, including X-ray crystallography for 1a and 3 with 1a being the first representative of this class of compounds characterized by this technique.

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