Versatile Reagent Ph 3 As(OTf) 2 : One‐Pot Synthesis of [P 7 (AsPh 3 ) 3 ][OTf] 3  from PCl 3 | Zendy

Donath Maximilian | Zendy; Bodensteiner Michael | Zendy; Weigand Jan J. | Zendy

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Versatile Reagent Ph 3 As(OTf) 2 : One‐Pot Synthesis of [P 7 (AsPh 3 ) 3 ][OTf] 3 from PCl 3

Author(s) -

Donath Maximilian,

Bodensteiner Michael,

Weigand Jan J.

Publication year - 2014

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201405196

Subject(s) - trifluoromethanesulfonate , chemistry , lewis acids and bases , adduct , reagent , salt (chemistry) , derivative (finance) , chloride , medicinal chemistry , base (topology) , inorganic chemistry , organic chemistry , catalysis , mathematical analysis , mathematics , financial economics , economics

Compound Ph 3 As(OTf) 2 as a pentacoordinated As V Lewis acid readily forms dicationic Lewis acid/base adducts upon addition of various Lewis bases. It also represents a stronger chloride‐abstracting agent than Me 3 SiOTf and facilitates the reductive coupling of PCl 3 in the presence of AsPh 3 to the unprecedented cation [P 7 (AsPh 3 ) 3 ] 3+ as triflate salt. This crystallographically characterized nortricyclane‐type cation represents a P 7 R 3 ‐derivative with the most electron‐withdrawing substituents, resulting in a pronounced effect on the structural parameters of the P 7 core.

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