Phenylmethanethiol

All chemicals are commercially available and used as received. Tetraoctylammonium bromide (TOAB, 98.0%), 2-Phenylethanethiol (PhC₂H₄SH, 99.0%) and phenylmethanethiol (PhCH₂SH, 99.0%) were purchased from Sigma-Aldrich. Tetrachloroauric(III) acid (HAuCl₄·4H₂O, 99.7%), sodium borohydride (NaBH₄, 98.0%), acetonitrile (99.0%, AR), dichloromethane (CH₂Cl₂, 99.0%, AR), tetrahydrofuran (THF, 99.0%, AR), toluene (99.5%, AR), methanol (CH₃OH, 99.5%, AR), and petroleum ether (AR) were purchased from Sinopharm Chemical Reagent Co., Ltd.

Ethylene (99.9%) and argon (99.999%) were purchased from Linde AG (Munich, Germany). Toluene (HPLC grade) was bought from Sigma-Aldrich Chemie GmbH (Munich, Germany), and degassed and stored over a molecular sieve. Butyloctylmagnesium (20 wt % in heptane) was purchased from Chemtura Europe GmbH (Frauenfeld, Switzerland). AgNO₃ (Fluka, 98%, Schwerte, Germany), oleylamine (ACROS organics, Geel, Belgium, C-18 content 80–90%), tetra-N-octylammonium bromide (ABCR, 98%), hydrogen tetrachloroaurate trihydrate (ABCR, Karlsruhe, Germany, 99.9%), and NdCl₃ (Fisher Scientific GmbH, Schwerte, Germany, 99.9%) were used as received. Tetrahydrofuran (Sigma-Aldrich, Munich, Germany) was distilled over CaH₂ and stored over a molecular sieve. Phenylmethanethiol, lithium pentamethylcyclopentadienide (>98%) N,N-dimethylformamide (DMF) (p.A.), sodium citrate tribasic dihydrate (99%), methanol (99.8%), sodium borohydride (96%), chloroform (p.A.), potassium hydroxide, aliquat 336, tosyl chloride (>98%), and hydrazine monohydrate (98%) were purchased from Sigma-Aldrich and used as received.