WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)

Base Information

Chemical Name:WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)
CAS No.:100844-74-4
Molecular Formula:C₄₆H₃₈Br₂OP₂W
Molecular Weight:1012.41
Hs Code.:

WBr<sub>2</sub>(CO)(P(C<sub>6</sub>H<sub>5</sub>)3)2(C<sub>6</sub>H<sub>5</sub>CCCH<sub>3</sub>)

Synonyms:WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)

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Chemical Property of WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)

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Technology Process of WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)

There total 3 articles about WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 72.0%

: (WBr₂(CO)(C₆H₅CCCH₃)2)2

: 100844-74-4
WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)

Guidance literature:: With triphenylphosphine; In diethyl ether; hexane; to a suspn. of (WBr2(CO)(PhCCMe)2)2 in a 1:1 mixt. of Et2O-hexane a 2 molar excess of PPh3 is added; react. mixt. stirred for 5 h;; volume reduced, product filtered off and recrystd. from CH2Cl2-hexane at -15°C; elem. anal.;;

Reference yield: 50.0%

: Li⁽¹⁺⁾*W(CO)2Br{P(C₆H₅)3}(CC₆H₅)(COCH₃)^(1-)=Li{W(CO)2Br(P(C₆H₅)3)(CC₆H₅)(COCH₃)}

: 15219-34-8
Oxalyl bromide

: 100844-74-4
WBr₂(CO)(P(C₆H₅)3)2(C₆H₅CCCH₃)

Guidance literature:: With triphenylphosphine; In not given; addn. of oxalyl bromide to soln. of W-complex at -78°C, soln. turns deep brown (formation of intermediate), addn. of slight excess of PPh3 at 0°C, mixt. warmed to room temp., soln. turns deep blue; removal of solvent, residue washed (acetone), recrystn. (CH2Cl2/pentane); elem. anal.;
DOI:10.1021/ja00236a045