Pure pactm system

Copper(I) bromide (CuBr, 98%, Aldrich, St. Louis, MO, USA) and copper metal (Cu⁰, fine powder, Baker & Adamson Easton, PA, USA were used as received. Tetrahydrofuran (THF, inhibitor free ≥99.9%, Aldrich) was obtained from the Aldrich Pure-Pac^TM System. Styrene (S, ≥99%, Aldrich) was purified through pre-packed column inhibitor removers (Aldrich). The following were used as received and stored in the refrigerator: 1-bromoethylbenzene (BEB, 97%), and N,N,N′,N″,N″-pentamethyldiethylenetriamine (PMDETA, 99%, Aldrich). The N-tert-Butyl-α-phenylnitrone (tBuPN, Aldrich) was used as received and stored in the freezer.

Copper(I) bromide (CuBr, 98%, Aldrich, St. Louis, MO, USA) and copper metal (Cu⁰, fine powder, Baker & Adamson, Easton, PA, USA) were used as received. Tetrahydrofuran (THF, inhibitor free ≥99.9%, Aldrich, St. Louis, MO, USA) was obtained from the Aldrich Pure-Pac^TM System. Styrene (S, ≥99%, Aldrich) was purified through prepacked column inhibitor removers (Aldrich). 2-Azidoethyl-2-bromoisobutyrate (Aldrich) and 1,6-heptadiyne (Aldrich) were used as received. The following were used as received and stored in the refrigerator: 1-bromoethylbenzene (BEB, 97%, Aldrich), α,α-dibromotoluene (97%, Aldrich) and N,N,N′,N″,N″-pentamethyldiethylenetriamine (PMDETA, 99%, Aldrich). The N-tert-butyl-α-phenylnitrone (tBuPN, Aldrich) and 2-methyl-2-nitrosopropane (MNP, Aldrich) were used as received and stored in the freezer.