有机化学缩写大全(极品收藏).pdf

TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xvii V LIST OF ABBREVIATIONS Abbreviation Chemical Name Chemical Structure 18 Cr 6 18 crown 6 O O O O O O Ac acetyl O acac acetylacetonyl OO AA asymmetric aminohydroxylation NA AD asymmetric dihydroxylation NA ad adamantyl ADDP 1 1 azodicarbonyl dipiperidine NN N O O N ADMET acyclic diene metathesis polymerization NA acaen N N bis 1 methyl 3 oxobutylidene ethylenediamine N N O O AIBN 2 2 azo bisisobutyronitrile NN N N Alloc allyloxycarbonyl OO Am amyl n pentyl An p anisyl O ANRORC anionic ring opening ring closing NA aq aqueous NA AQN anthraquinone O O Ar aryl substituted aromatic ring NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xviii Abbreviation Chemical Name Chemical Structure ATD aluminum tris 2 6 di tert butyl 4 methylphenoxide OAl 3 atm1 atmosphere 105 Pa pressure NA ATPH aluminum tris 2 6 diphenylphenoxide O Ph Ph Al 3 BBN 9 BBN 9 borabicyclo 3 3 1 nonane 9 BBN B H B 9 borabicyclo 3 3 1 nonyl B BCMEbis chloromethyl ether OClCl BCNN benzyloxycarbonyloxy 5 norbornene 2 3 dicarboximide O N O O O O BDPP 2R 4R or 2S 4S bis diphenylphosphino pentane R R Ph2PPPh2 BERborohydride exchange resin NA BHT2 6 di t butyl p cresol butylated hydroxytoluene OH BICP2 R 2 R bis dipenylphosphino 1 R 1 R dicyclopentane R R R R Ph2PPPh2 BINAL H 2 2 dihydroxy 1 1 binaphthyl lithium aluminum hydride O O Al H H Li BINAP 2 2 bis diphenylphosphino 1 1 binaphthyl PPh2 PPh2 TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xix Abbreviation Chemical Name Chemical Structure BINOL1 1 bi 2 2 naphthol OH OH Bipbiphenyl 4 sulfonyl S O O bipy 2 2 bipyridyl NN BLA Br nsted acid assisted chiral Lewis acid NA bmin1 butyl 3 methylimidazolium cation NN BMSBorane dimethyl sulfide complex H3BSMe2 Bnbenzyl BNAH 1 benzyl 1 4 dihydronicotinamide N O NH2 BOB4 benzyloxybutyryl O O Boct butoxycarbonyl OO BOMbenzyloxymethyl O BOP Clbis 2 oxo 3 oxazolidinyl phosphinic chloride P OCl O N O O N O bpboiling point NA BPDbis pinacolato diboron O O BB O O BPObenzoyl peroxide O O Ph O Ph O BPS TBDPS t butyldiphenylsilyl Si TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xx Abbreviation Chemical Name Chemical Structure BQbenzoquinone OO Bsbrosyl 4 bromobenzenesulfonyl SBr O O BSA N O bis trimethylsilyl acetamide O NSiSi BSA Bovine serum albumin NA Bt1 or 2 benzotriazolyl N N N BTAF benzyltrimethylammonium fluoride N F BTEA benzyltriethylammonium N BTEAC benzyltriethylammonium chloride N Cl BTFP3 bromo 1 1 1 trifluoro propan 2 one O F F F Br BTMA benzyltrimethylammonium N BTMSA bis trimethylsilyl acetylene SiSi BTSbis trimethylsilyl sulfate S O O O O SiSi BTSA benzothiazole 2 sulfonic acid S N S O O HO BTSPbis trimethylsilyl peroxide O OSi Si Bzbenzoyl O Bu nBu n butyl ccyclo NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxi Abbreviation Chemical Name Chemical Structure cacirca approximately NA CA chloroacetyl O Cl CAN cerium IV ammonium nitrate cericammonium nitrate Ce NH4 2 NO3 6 cat catalytic NA CBcatecholborane O HB O CBSCorey Bakshi Shibata reagent N B O H Ph Ph R R H alkyl Cbz Z benzyloxycarbonyl O O cc or conc concentrated NA CCEconstant current electrolysis NA CDIcarbonyl diimidazole O N N N N CHD1 3 or 1 4 cyclohexadiene 1 3 CHD1 4 CHD CHIRAPHOS 2 3 bis diphenylphosphino butane S S P Ph Ph P Ph Ph Chx Cy cyclohexyl CIP2 chloro 1 3 dimethylimidazolidinium hexafluorophosphate NHN Cl PF6 CM XMET cross metathesis NA CMMPcyanomethylenetrimethyl phosphorane P N COD1 5 cyclooctadiene COT1 3 5 cyclooctatriene Cpcyclopentadienyl CPTScollidinium p toluenesulfonate NH S O O O TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxii Abbreviation Chemical Name Chemical Structure CRA complex reducing agent NA Cr PILCchromium pillared clay catalyst NA CSA camphorsufonic acid O SO3H CSIchlorosulfonyl isocyanate Cl S O O N C O CTAB cetyl trimethylammonium bromide NBr CTACl cetyl trimethylammonium chloride N C15H31 Cl CTAP cetyl trimethylammonium permanganate N C15H31 MnO4 heat NA ddays length of reaction time NA DABCO 1 4 diazabicyclo 2 2 2 octane N N N N DAST diethylaminosulfur trifluoride SN F F F DATMP diethylaluminum 2 2 6 6 tetramethylpiperidide N AlEt2 DBA dba dibenzylideneacetone O Ph Ph DBAD di tert butylazodicarboxylate N NO O O O DBIdibromoisocyanuric acid N O N O NH OBr Br TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxiii Abbreviation Chemical Name Chemical Structure DBMdibenzoylmethane OO DBN1 5 diazabicyclo 4 3 0 non 5 ene N N 1 2 3 4 5 6 7 8 9 DBSdibenzosuberyl DBU1 8 diazabicyclo 5 4 0 undec 7 ene N N 1 2 3 4 5 6 7 8 9 10 11 DCA 9 10 dicyanoanthracene CN CN DCB1 2 dichlorobenzene Cl Cl DCCdicyclohexylcarbodiimide N C N DCE1 1 dichloroethane Cl Cl DCMdichloromethane CH2Cl2 DCN1 4 dicyanonaphthalene CN CN Dcpmdicyclopropylmethyl DCUN N dicyclohexylurea N H O N H DDQ2 3 dichloro 5 6 dicyano 1 4 benzoquinone O O NC NCCl Cl de diastereomeric excess NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxiv Abbreviation Chemical Name Chemical Structure DEAD diethyl azodicarboxylate N N O O O O DEIPSdiethylisopropylsilyl Si DEPBT3 diethoxyphosphoryloxy 1 2 3 benzotriazin 4 3H one N N N O O P OEt EtO O DETdiethyl tartrate OH HO R R O O O O DHP3 4 dihydro 2H pyran O DHQdihydroquinine N N H OH OMe H DHQ 2PHAL bis dihydroquinino phthalazine N MeO N Et H O NN O N H Et H N OMe H DHQDdihydroquinidine N OMe H OH NH DHQD 2PHAL bis dihydroquinidino phthalazine N OMe N H O NN O N H H N MeO H Et Et DIAD diisopropyl azodicarboxylate N NO O O O DIB BAIB or PIDA diacetoxyiodo benzene I O O O O TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxv Abbreviation Chemical Name Chemical Structure DIBAL DIBAH DIBAL H diisobutylaluminum hydride Al H DICdiisopropyl carbodiimide N C N diop4 5 bis diphenylphosphanyl methyl 2 2 dimethyl 1 3 dioxolane R R O O PPh2 PPh2 DIPAMP 1 2 bis o anisylphenylphosphino ethane P O P O DIPEA H nig s base diisopropylethylamine N DIPTdiisopropyl tartrate OH HO R R O O O O DLPdilauroyl peroxide O OC10H21 O C10H21 O DMA DMAC N N dimethylacetamide O N DMAD dimethyl acetylene dicarboxylate O OO O DMAP N N 4 dimethylaminopyridine NN DMBm dimethoxybenzene OO DMDOdimethyl dioxirane O O DME1 2 dimethoxyethane O O TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxvi Abbreviation Chemical Name Chemical Structure DMFN N dimethylformamide ON H DMI1 3 dimethylimidazolidin 2 one NN O DMPDess Martin periodinane I O O AcO OAc OAc DMPSdimethylphenylsilyl Si DMPU 1 3 dimethyl 3 4 5 6 tetrahydro 2 1H pyrimidone N N dimethyl propylene urea N N O DMTSFdimethyl methylthio sulfonium tetrafluoroborate Me S S Me Me BF4 DMSdimethylsulfide S DMSOdimethylsulfoxide S O DMT4 4 dimethoxytrityl OO DMTMM 4 4 6 dimethoxy 1 3 5 triazin 2 yl 4 methylmorpholinium chloride N O N N N O O Cl DMTr4 4 dimethyltrityl DMTST dimethylthio methylsulfonium trifluoromethanesulfonate S S S S O O O F F F DNA deoxyribonucleic acid NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxvii Abbreviation Chemical Name Chemical Structure DPA DIPA diisopropylamine N H DPBP2 2 bis diphenylphosphino biphenyl S Ph2PPPh2 DPDCdiisopropyl peroxydicarbonate O OO O O O DPDMdiphenyl diazomethane N N DPEDA 1 2 diamino 1 2 diphenylethane R R H2NNH2 DPIBFdiphenylisobenzofuran O Ph Ph DPPA diphenylphosphoryl azide diphenylphosphorazidate P O O O NN N Dppb ddpb 1 4 bis diphenylphosphino butane Ph2P PPh2 dppe 1 2 bis diphenylphosphino ethane PPh2 Ph2P dppf1 1 bis diphenylphosphino ferrocene Fe PPh2 PPh2 dppmbis diphenylphosphino methane Ph2PPPh2 dppp 1 3 bis diphenylphosphino propane Ph2PPPh2 DPS also TBDPS or BPS t butyldiphenylsilyl Si TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxviii Abbreviation Chemical Name Chemical Structure DPTCO O di 2 pyridyl thiocarbonate S OONN drdiastereomeric ratio NA DTBAD DBAD di tert butyl azodicarboxylate N NO O O O DTBB4 4 di tert butylbiphenyl DTBP2 6 di tert butylpyridine N DTBMP2 6 di tert butyl 4 methylpyridine N DTE1 4 dithioerythritol SH OH OH SH DVS1 3 divinyl 1 1 3 3 tetramethyldisiloxane Si O Si Me Me Me Me E electrophile denotes any electrophile in general NA E2bimolecular elimination NA EDeffective dosage NA EDA ethyl diazoacetate O O N N EDDA ethylenediamine diacetate NH3 H3N OAc OAc EDC EDAC 1 ethyl 3 3 dimethylaminopropyl carbodiimide ethyldimethylaminopropylcarbodiimide N C N N EDCI1 ethyl 3 3 dimethylaminopropyl carbodiimide hydrochloride N C NNH Cl EDCP2 3 bis phosphonopentanedioic acid ethylene dicarboxylic 2 3 diphosphonic acid HOOCCOOH PO3H2 PO3H2 EDGelectron donating group NA EDTA ethylenediamine tetraacetic acid N N COOH HOOCHOOC COOH TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxix Abbreviation Chemical Name Chemical Structure eeenantiomeric excess NA EE ethoxyethyl O Eiintramolecular syn elimination NA en ethylenediamine H2N NH2 EOMethoxymethyl O ESRelectron spin resonance spectroscopy NA Etethyl ETSA ethyl trimethylsilylacetate O O Si EVEethyl vinyl ether O EWGelectron withdrawing group NA Fc ferrocenyl Fe FDPfructose 1 6 diphosphate CH2OPO3H2 OH H H2O3POH2C HO H HHO O FDPPpentafluorophenyl diphenylphosphinate PO O Ph Ph F F F F F Flfluorenyl FMOfrontier molecular orbital theory NA Fmoc 9 fluorenylmethoxycarbonyl O O fod6 6 7 7 8 8 8 heptafluoro 2 2 dimethyl 3 5 octanedione O O F F F F F F F fpflash point NA FSMMesoporous silica NA FTT1 fluoro 2 4 6 trimethylpyridinium triflate NFS O O O F F F TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxx Abbreviation Chemical Name Chemical Structure FVPflash vacuum pyrolysis NA GEBCgel entrapped base catalyst NA hhours length of reaction time NA h irradiation with light NA HATU O 7 azabenzotriazol 1 yl N N N N tetramethyluronium hexafluorophosphate N N O N N N N PF6 Hetheterocycle NA hfacac hexafluoroacetylacetone F3C OO CF3 HFIP1 1 1 3 3 3 hexafluoro 2 propanol hexafluoroisopropanol OH F F FF F F HGK4 hydroxy 2 ketoglutarate O OO O O HO Hgmmmillimeter of mercury 760 Hgmm 1 atm 760 Torr NA HLEhorse liver esterase NA Hmb2 hydroxy 4 methoxybenzyl OOH HMDS1 1 1 3 3 3 hexamethyldisilazane Si H N Si HMPA hexamethylphosphoric acid triamide hexamethylphosphoramide P O N N N HMPThexamethylphosphorous triamide PN N N HOAt 1 hydroxy 7 azabenzotriazole N N N N OH HOBt HOBT 1 hydroxybenzotriazole N N N OH HOMOhighest occupied molecular orbital NA HOSuN hydroxysuccinimide OO N OH HPLChigh pressure liquid chromatography NA HWEHorner Wadsworth Emmons NA iiso NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxi Abbreviation Chemical Name Chemical Structure IBA 2 iodosobenzoic acid O HO I O IBXo iodoxybenzoic acid I O O O HO IDCPbis 2 4 6 collidine iodonium perchlorate NI NClO4 Imid Im imidazole N HN INOCintramolecular nitrile oxide cycloaddition NA IPA isopropyl alcohol HO Ipcisopinocamphenyl H IRinfrared spectroscopy NA K 10a type of Montmorillonite clay NA KDA potassium diisopropylamide K N KHMDSpotassium bis trimethylsilyl amide K N SiSi KSFa type of Montmorillonite clay NA Lligand NA L R Lawesson s reagent 2 4 bis 4 methoxyphenyl 1 3 2 4 dithiadiphosphetane 2 4 dithion S PS P S S OMe MeO LA Lewis acid NA LAB lithium amidotrihydroborate LiH2NBH3 LAH lithium aluminum hydride LiAlH4 LD50dose that is lethal to 50 of the test subjects cells animals humans etc NA LDA lithium diisopropylamide Li N LDBBlithium 4 4 t butylbiphenylide Li TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxii Abbreviation Chemical Name Chemical Structure LDElithium diethylamide Li N LDPElithium perchlorate diethyl etherate LiClO4 Et2O LHMDS LiHMDS lithium bis trimethylsilyl amide Li N SiSi LICA lithium isopropylcyclohexylamide Li N LICKOR super base butyllithium potassium tert butoxide BuLi KOt Bu liq liquid NA LiTMP LTMP lithium 2 2 6 6 tetramethylpiperidide N Li LPTlithium pyrrolidotrihydroborate lithium pyrrolidide borane Li CH2 4NBH3 L selectride lithium tri sec butylborohydride Li BH LTA lead tetraacetate Pb OAc 4 LUMOlowest unoccupied molecular orbital NA lut2 6 lutidine N mmeta NA MA maleic anhydride O O O MAD methyl aluminum bis 2 6 di t butyl 4 methylphenoxide OAlMe 2 MAT methyl aluminum bis 2 4 6 tri t butylphenoxide OAlMe 2 TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxiii Abbreviation Chemical Name Chemical Structure MBT2 mercaptobenzothiazole S N HS m CPBA meta chloroperbenzoic acid Cl COOOH Memethyl CH3 MEM 2 methoxyethoxy methyl O O MEPYmethyl 2 pyrrolidone 5 S carboxylate H N O O O Mesmesityl mesal N methylsalicylaldimine HO N MICmethyl isocyanate NCO MMPP MMPT magnesium monoperoxyphthalate Mg2 O O O O O MOMmethoxymethyl O MoOPH oxodiperoxomolybdenum pyridine hexamethylphosphoric triamide NA mpmelting point NA MPamegapascal 106 Pa 10 atm pressure MPD NMP N methyl 2 pyrrolidinone N O MPMmethoxy phenylthio methyl S O MPM PMB p methoxybenzyl O TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxiv Abbreviation Chemical Name Chemical Structure MPPCN methyl piperidinium chlorochromate OCr O O Cl NH Msmesyl methanesulfonyl S O O CH3 MSmass spectrometry NA MSmolecular sieves NA MSA methanesulfonic acid S O O CH3HO MSHo mesitylenesulfonyl hydroxylamine H N HOS O O MSTFA N methyl N trimethylsilyl trifluoroacetamide O N F F F Si MTAD N methyltriazolinedione N NN O O MTEE MTBE methyl t butyl ether O MTMmethylthiomethyl S MTOmethyltrioxorhenium Re O O O CH3 Mtr 4 methoxy 2 3 6 trimethylphenyl sulfonyl OMe MeMe Me S O O MVKmethyl vinyl ketone O mw microwave NA nnormal e g unbranched alkyl chain NA NADPH nicotinamide adenine dinucleotide phosphate N HH NH2 O O OHOH O O OOH O P O OH OH N NN N NH2 P O OH OP O OH TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxv Abbreviation Chemical Name Chemical Structure NaHMDSsodium bis trimethylsilyl amide Na N SiSi Naph Np naphthyl NBA N bromoacetamide O N H Br NBD nbd norbornadiene NBSN bromosuccinimide O O NBr NCSN chlorosuccinimide O O NCl Nfnonafluorobutanesulfonyl S O O FF FF F F F F F NHPIN hydroxyphthalimide O O NOH NISN iodosuccinimide OO N I NMMN methylmorpholine NO NMON methylmorpholine oxide NO O NMPN methyl 2 pyrrolidinone N O NMRnuclear magnetic resonance NA NORPHOSbis diphenylphosphino bicyclo 2 2 1 hept 5 ene Ph2P PPh2 Nos4 nitrobenzenesulfonyl S O O N O O TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxvi Abbreviation Chemical Name Chemical Structure NPMN phenylmaleimide O O N NRno reaction NA Ns2 nitrobenzenesulfonyl S O O NO O NSAID non steroidal anti inflammatory drug NA Nucnucleophile general NA oortho NA Oxone potassium peroxymonosulfate KHSO5 ppara NA PAP 2 8 9 trialkyl 2 5 8 9 tetraaza 1 phospha bicyclo 3 3 3 undecane P N N N N R R R PBPpyridinium bromide perbromide N H Br3 PCCpyridinium chlorochromate N H O Cr O O Cl PDCpyridinium dichromate N H Cr O O O O Cr O O ON H PEGpolyethylene glycol NA Pf9 phenylfluorenyl Ph pfbperfluorobutyrate O O F F FF F F F Phphenyl PHAL phthalazine N N phen 9 10 phenanthroline NN TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxvii Abbreviation Chemical Name Chemical Structure Phthphthaloyl C C O O pic 2 pyridinecarboxylate NO O PIDA BAIB or DIB phenyliodonium diacetate I O O O O PIFA phenyliodonium bis trifluoroacetate I O O F3C O O CF3 Piv pivaloyl O PLEpig liver esterase NA PMB MPM p methoxybenzyl O PMP4 methoxyphenyl O PMP1 2 2 6 6 pentamethylpiperidine N Me Me Me Me Me PNBp nitrobenzyl N O O PNZp nitrobenzyloxycarbonyl O O N O O PPA polyphosphoric acid NA PPI2 phenyl 2 2 pyridyl 2H imidazole N N N PPLpig pancreatic lipase NA PPO4 3 phenylpropyl pyridine N oxide NPhO PPSEpolyphosphoric acid trimethylsilyl ester NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxviii Abbreviation Chemical Name Chemical Structure PPTSpyridinium p toluenesulfonate N H S O O O Prpropyl psi pounds per square inch NA PT1 phenyl 1H tetrazol yl N N N N Ph P T proton transfer NA PTAB phenyltrimethylammonium perbromide N Br3 PTCPhase transfer catalyst NA PTMSE 2 phenyl 2 trimethylsilyl ethyl Si PTSA or TsOH p toluenesulfonic acid CH3HO3S PVPpoly 4 vinylpyridine NA Py pyr pyridine N r t room temperature NA racracemic NA RAMP R 1 amino 2 methoxymethyl pyrrolidine N R O NH2 RaNiRaney nickel NA RBRose Bengal See Rose bengal RCAM ring closing alkyne metathesis NA RCMring closing metathesis NA Rds or RDS rate determining step NA Red Al sodium bis 2 methoxyethoxy aluminum hydride AlO O O O H H Na Rhamrhamnosyl O O H O H Me O H Rfperfluoroalkyl group CnF2n 1 Rfretention factor in chromatography NA ROMring opening metathesis NA ROMPring opening metathesis polymerization NA TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xxxix Abbreviation Chemical Name Chemical Structure Rose Bengal RB 2 4 5 7 tetraiodo 3 4 5 6 tetrachlorofluorescein disodium salt a photosensitizer O I O II O I Cl Cl Cl Cl COO 2 Na sseconds length of reaction time NA S S chiraphos S S 2 3 bis diphenylphosphino butane S S PPh2 PPh2 SalenN N ethylenebis salicylideneiminato bis salicylidene ethylenediamine NN OHHO salophen o phenylenebis salicylideneiminato NN OHHO SAMP S 1 amino 2 methoxymethyl pyrrolidine N O NH2 SC CO2supercritical carbon dioxide NA SDSsodium dodecylsulfate Na SOO O O secsecondary NA SEM2 trimethylsilyl ethoxymethyl O Si SES2 trimethylsilyl ethyl sulfonyl Si S O O SETsingle electron transfer NA Sia1 2 dimethylpropyl secondary isoamyl SPBsodium perborate Na BO3 TABLE OF CONTENTSTABLE OF CONTENTSSEARCH TEXTSEARCH TEXT xl Abbreviation Chemical Name Chemical Structure TADDOL 2 2 dimethyl 1 1 tetraaryl 1 3 dioxolane 4 5 dimethanol O O R R OH OH Ar Ar Ar Ar H H TASF tris diethylamino sulfonium difluorotrimethylsilicate S NEt2 Et2N NEt2 SiMe3F2 TBAB tetra n butylammonium bromide N Br TBAF tetra n butylammonium fluoride FBu4N TBAI tetra n butylammonium iodide IBu4N TBCOtetrabromocyclohexadienone Br Br O Br Br TBDMS TBS t butyldimethylsilyl Si TBDPS BPS t butyldiphenylsilyl Si TBHtert butyl hypochlorite Cl O TBHPtert butyl hydroperoxide O OH TBPtributylphosphine P TBT1 tert butyl 1H tetrazol 5 yl N N N N t Bu TBTHtributyltin hydride Sn H TBTSPt butyl trimethylsilyl peroxide O OSi TABLE OF CONT