TBDPS t-Butyldiphenylsilyl

TBDS Tetra-t-butoxydisiloxane-1,3-diylidene TBHP t-Butyl hydroperoxide TBMPS t-Butylmethoxyphenylsilyl TBS Tributylsilane

TBTr 4,4’-4”-Tris(benzyloxy)triphenylmethyl TcBoc 1,1-Dimethyl-2,2,2-trichloroethoxycarbonyl TCNE Tetracyanoethylene

TCNQ 7,7,8,8-Tetracyanoquinodimethane

Tcroc 2-(Trifluoromethyl)-6-chromonylmethylene carbonyl Tcrom 2-(Trifluoromethyl)-6-chromonylmethylene TDS Thexyldimethylsilyl TEA Triethylamine

TEAB Tetraethylammonium bromide TEBAC Benzyltriethylammonium chloride Tebbs’

TED Triethylene diamine

Teoc 2-(Trimethylsilyl)ethoxycarbonyl TES Triethylsilyl

Tf Trifluoromethanesulfonyl TFA Trifluoroacetic acid TFAA Trifluoroacetic acid

TfOH Trifluoromethanesulfonic acid Thexyl 2,3-Dimethyl-2-butyl THF Tetrahydrofuran THP Tetrahydropyran

TIPDS 1,3-(1,13,3-Tetraisopropyldisiloxanyllidene) TIPS Triisopropylsilyl

TLTr 4,4’,4”-Tris(levulinoxy)triphenylmethyl TMEDA N,N,N’,N’-Tetramethylethylene diamine TMG 1,1,3,3-Tetramethylguanidine TMP 2,26,6-Tetramethyl piperidine TMPM Trimethoxyphenylmethyl

TMS Trimethylsilyl or Tetramethylsilane TMSEC 2-(Trimethylsilyl)ethoxycarbonyl TMTr Tri(p-methoxyphenyl)methyl Tol Tolyl Torr 1 mmHg

Tos p-Toluenesulfonyl

TPAP Tetrapropylammonium perruthanate (Pr)4NRuO4 TPP Tetraphenylporphine

TPS Triisopropylbenzenesulfonyl TPS Triphenylsilyl tR Retention time

Tr Trityl (triphenylmethyl)

Triton B Benzyltrimethylammonium hydroxide Tritylone 9-(9-Phenyl-10-oxo)anthryl Troc 2,2,2-Trichloroethoxycarbonyl Ts p-Toluenesulfonyl or Tosyl TS Transition state TSA p-Toluenesulfonic acid Tse 2-(p-Toluenesulfonyl)ethyl TsOH p-Toluenesulfonic acid TyrOH Tyrosine UV Ultraviolet Voc Vinyloxycarbonyl Z Benzyloxycarbonyl