4-dimethylaminopyridine DMAP

DMAP = 4-dimethylaminopyridine (lO" times more effective than pyri- dine) ... 

Scheme 5.11 Solid-phase synthesis of fully deprotected trisaccharide 53 and subsequent acetylation and photolytic cleavage66 (DMAP = 4-dimethylaminopyridine).

DIEA—diisopropylethylamine DMAP—4-dimethylaminopyridine DMBA—1,3-dimethylbarbituric acid DMDO—2,2-dimethyldioxirane E-CADI—epithelial Cadherin 1... 

DMAP 4-dimethylaminopyridine PPE polyphosphoric acid ethyl ester... 

Scheme 2.32 Palladium-catalysed synthesis of esters from aryl halides with Mo(CO)6 as the carbon monoxide source (DMAP = 4-dimethylaminopyridine).

Abbreviations DCM, dichloromethane DIC, 1,3-diisopropylcarbodiimide DIEA, diiso-propylethylamine DMAP, 4-dimethylaminopyridine DMF, IVJV-dimethylformamide ELSD, evaporative light scattering detection HOBt, hydroxybenzotriazole IR, infrared LC/MS, high-pressure liquid chromatography/mass spectrometry NMM, V-methylmorpho-line NMR, nuclear magnetic resonance PyBop, benzotriazol-l-yloxytripyrrolidino-phosphonium hexafluorophosphate SAR, structure-activity relationship TFP, tetrafluorophenol THF, tetrahydrofuran. 

Scheme 12.6. Catalytic asymmetric synthesis of PC Ei using a Noyori-type 3CR, by Feringa and co-workers [19]. TBAF = n-tetrabutylammonium fluoride, THF = tetrahydrofuran, DMSO = dimethylsulfoxide, Ac = acetyl, DMAP = 4-dimethylaminopyridine, pyr = pyridine.

SCHEME 12.2 Nicolaou s synthesis of Gb3Cer. DMAP, 4-dimethylaminopyridine NBS, A-bromosuccinimide TBAF, tetrabutylammonium fluoride. 

SCHEME 13.7 Fraser-Reid s synthesis of building blocks for the convergent assembly of the rat brain Thy-1 GPI anchor. DMAP, 4-dimethylaminopyridine PPTS, pyridinium... 

SCHEME 14.8 Synthesis of the Re-type lipid A from Escherichia coli. DCC, A,A -dicyclo-hexylcarbodiimide DMAP, 4-dimethylaminopyridine LHMDS, lithium bis(trimethylsilyl) amide TES, triethylsilyl. 

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