Aminocarbonylation route to tolvaptan
Keywords: Vasopressin; Palladium; Carbonylation; Cesium salt; DBU;
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Synthesis of poly-substituted pyrroles starting from the Baylis-Hillman adducts
Keywords: Poly-substituted pyrroles; Baylis-Hillman adducts; Michael addition; DBU;
An elegant and unprecedented approach to 2-methylbenzofurans
Keywords: Benzofurans; Allyl phenols; Iodocyclization; DBU;
1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU)-promoted efficient and versatile aza-Michael addition
Keywords: Aza-Michael; DBU; Catalytic; Nitrogen nucleophiles; Conjugate addition;
Synthesis and evaluation of chloromethyl sulfoxides as a new class of selective irreversible cysteine protease inhibitors
Keywords: ESI-MS; electrospray ionization mass spectrometry; Boc; tert-butyloxycarbonyl; BOP; (1H-benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DTT, dithiothreitol; DiPEA; N,N-diisopropylethylamine
DBU-mediated Ireland-Claisen rearrangement of allyl alk-3-enoates: an efficient synthesis of 2-ethylidene-γ,δ-unsaturated carboxylic acids
Keywords: Ireland-Claisen rearrangement; DBU; 2-Ethylidene-γ,δ-unsaturated carboxylic acids;
Expanding the scope of PNA-encoded libraries: divergent synthesis of libraries targeting cysteine, serine and metallo-proteases as well as tyrosine phosphatases
Keywords: PNA; Protease inhibitors; Phosphatase inhibitors; Combinatorial chemistry; Microarrays; CDI; 1,1â²-carbodiimidazole; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DIC; diisopropylcarbodiimide; 4-DMAP; 4-dimethylaminopyridine; DMP; Dess-Martin periodinane; D
Stereoselective syntheses of naturally occurring 5,6-dihydropyran-2-ones
Keywords: Naturally occurring 5,6-dihydropyran-2-ones; 5,6-Dihydro-α-pyrones; Stereoselective synthesis; Ad; adamantyl; BINAP; 2,2â²-bis(diphenylphosphino)-1,1â²-binaphthalene; BINOL; 1,1â²-bi(2-naphthol); B.Y.; baker's yeast; Bn; benzyl; Bz; benzoyl; Car; 2-ca
Recent advances and applications in 1,2,4,5-tetrazine chemistry
Keywords: Ac; acetyl; Ar; aryl; Bn; benzyl; Boc; tert-butoxycarbonyl; Bu; butyl; Bz; benzoyl; CBz; benzylcarboxy; DABCO; 1,4-diazabicyclo[2.2.2]octane; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DDQ; 2,3-dichloro-5,6-dicyano-1,4-benzoquinone; DMA; N,N-dimethylacetami
Application of hydrolytic kinetic resolution (HKR) in the synthesis of bioactive compounds
Keywords: Hydrolytic kinetic resolution; Terminal epoxides; Bis-epoxides; meso-Epoxides; Natural products; Synthesis; Biological activity; Ac; acetyl; AD; asymmetric dihydroxylation; AE; asymmetric epoxidation; Bn; benzyl; NBS; N-bromosuccinimide; Boc; t-butoxycarb
Recent advances in the chemistry of α,β-unsaturated trifluoromethylketones
Keywords: Ac; acetyl; (R)-Binol; (R)-(+)-1,1â²-bi-2-naphthol; COD; 1,5-cyclooctadiene; DABCO; 1,4-diazabicyclo[2.2.2]octane; Dba; dibenzylideneacetone; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DDQ; 2,3-dichloro-5,6-dicyano-1,4-benzoquinone; Dess-Martin reagent;
Asymmetric organocatalysis
Keywords: Ac; acetyl; Ar; aryl; BINOL; 1,1â²-bi-2-naphthol; Bn; benzyl; Boc; tert-butoxycarbonyl; Bu; butyl; Bz; benzoyl; Cbz; benzyloxycarbonyl; CPME; cyclopentyl methyl ether; Cy; cyclohexyl; DABCO; 1,4-diazabicyclo[2.2.2]octane; DBAB; dibenzylazodicarboxylate;
Enantioselective synthesis of steroids
Keywords: Steroids; Asymmetric inductions; Pool chiral; Enantioselectivity; Resolution; acac; acetylacetonate; 9-BBN; 9-bora-bicyclo[3.3.1]nonane; BHT; 2,6-di-tert-butyl-4-methylphenol; BINAP; 2,2â²-bis(diphenylphosphino)-1,1â²-binaphthyl; Binol; 1,1â²-binaphtha
Sonochemical fluorination of heterocyclic nitro compounds with Selectfluor
Keywords: Heterocycles; Nitro compounds; DBU; Selectfluor; Ultrasonic;
Epigallocatechin-3-gallate (EGCG): Chemical and biomedical perspectives
Keywords: AD; asymmetric dihydroxylation; AIBN; 2,2'-azobis(isobutyronitrile); DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DMAP; dimethylaminopyridine; EC; (â)-epicatechin; ECG; (â)-epicatechin-3-gallate; EGC; (â)-epigallocatechin; EGCG; (â)-epigallocatechin
Novel tandem reactions of ethyl acetoacetate with aromatic aldehydes: product- and stereo-selective formation of highly functionalised cyclohexanones
Keywords: Pyrrolidine; DBU; Ethyl acetoacetate; Tandem; Knoevenagal; Michael; Cyclohexanone; Enamine; Aldol; Aldehyde;
DBU assisted expeditious synthesis of glycosyl dienes via glycosylated β-hydroxy esters
Keywords: DBU; Aldol type condensation; Glycosyl uronates; Glycosyl dienes
Studies toward the construction of substituted piperidine-2-ones and pyridine-2-ones from Baylis-Hillman adducts: discovery of a facile synthesis of 5-methyl-4-oxo-6-aryl-3-aza-bicyclo[3.1.0]hexane-1-carboxylates
Keywords: Baylis-Hillman; Piperidine-2-one; DBU; 4-Oxo-3-aza-bicyclo[3.1.0]hexane; 3-Methylene-piperidine-2,6-dione;
Synthesis and characterization of two new photochromic organic-inorganic hybrid materials based on isopolyoxomolybdate: (HDBU)3(NH4)[β-Mo8O26]·H2O and (HDBU)4[δ-Mo8O26]
Keywords: Organic-inorganic hybrid materials; Polyoxometalates; DBU; Photochromism; Molybdenum; Intervalence charge transfer;
Recent developments in the synthesis of oxepines
Keywords: CAN; ceric ammonium nitrate; Cy; cyclohexyl; dba; dibenzylideneacetone; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DEAD; diethyl azodicarboxylate; DMAP; N,N-4-dimethylaminopyridine; DMDO; dimethyldioxirane; Eu(fod)3; europium 6,6,7,7,8,8,8-heptafluoro-2,2-d
Use of monoterpenes, 3-carene and 2-carene, as synthons in the stereoselective synthesis of 2,2-dimethyl-1,3-disubstituted cyclopropanes
Keywords: Cyclopropane; Chiral; Carenes; AIBN; 2,2â²-azobisisobutyronitrile; CSI; chlorosulfonyl isocyanate; DBU; 1,8-diazabicyclo[4.3.0]undec-7-ene; DIBAL; diisobutylaluminium hydride; DMAP; 4-dimethylaminopyridine; IBX; o-iodoxybenzoic acid; Ipy2BF4; bis(pyridin
Recent approaches to the construction of 1-azaspiro[4.5]decanes and related 1-azaspirocycles
Keywords: Azaspirocyclic ring systems; Spirocycles; 3° Carbon center; Ac; acetyl; AIBN; azobisisobutyronitrile(2,2â²-azo(2-methylpropionitrile)); Ar; aryl; Bn; benzyl; Boc; t-butoxycarbonyl; Bu; butyl; Cbz; benzyloxycarbonyl; Cy; cyclohexyl; DBB; di-t-butylbiphen
Recent advances in the chemistry of macroline, sarpagine and ajmaline-related indole alkaloids
Keywords: Ac; acetyl; AD; asymmetric dihydroxylation; AIBN; 2,2â²-azobisisobutyronitrile; Ar; aryl; 9-BBN; 9-borabicyclo[3.3.1]nonane; Bn; benzyl; Boc; tert-butoxycarbonyl; Bu; butyl; Bz; benzoyl; cat; catalytic; CBz; benzyloxycarbonyl; CLB; chlorobenzoyl; Cy; cyc
Synthetic applications of fluorous solid-phase extraction (F-SPE)
Keywords: Fluorous; Light fluorous; Fluorous silica gel; Fluorous solid-phase extraction (F-SPE); Reverse F-SPE; Plate-to-plate SPE; Parallel synthesis; High-throughput synthesis; Solution-phase synthesis; Separation; Reagents; Reactants; Catalysts; Chiral auxiliar
A journey across the sequential development of macrolides and ketolides related to erythromycin
Keywords: Erythromycin; Macrolides; Carbamate ketolides; Carbazate ketolides; Acylides; Ac; acetyl; Bn; benzyl; Bz; benzoyl; Clad; cladinose; CBZ; carbobenzyloxy; CDI; carbonyldiimidazole; DBU; 1,5-diazabicyclo[5.4.0]-undec-5-ene; DEAD; diethyl azadicarboxylate; De
Synthesis of amino- and diaminoconduritols and their applications
Keywords: Conduritols; Conduramines; Diaminoconduritols; Asymmetric synthesis; Ac; acetyl; aq; aqueous; AIBN; 2,2â²-azobis(isobutyronitrile); Bn; benzyl; Boc; tert-butyloxycarbonyl; n-Bu; n-butyl; s-Bu; sec-butyl; t-Bu; tert-butyl; Bz; benzoyl; CAN; ceric ammonium
The chemistry of recently isolated naturally occurring quinazolinone alkaloids
Keywords: Natural quinazolinones; Isolation; Bioactivity; Synthesis; Concise account; 1983-2005; AIBN; 2,2â²-azobisisobutyronitrile; Bn; benzyl; Boc; tert-butoxycarbonyl; BOP; benzotriazol-1-yloxytris(dimethylamino)-phosphoniumhexaflurophosphate; CAN; ceric ammo
Use of chiral sulfoxides in asymmetric synthesis
Keywords: Ac; acetyl; Acac; acetylacetone; AIBN; 2,2â²-azobisisobutyronitrile; Ar; aryl; BF3·Et2O; boron trifluoride etherate; BINAP; 2,2â²-bis(diphenylphosphanyl)-1,1â²-binaphthyl; Bn; benzyl; Boc; tert-butoxycarbonyl; Born; borneol; Bu; butyl; Cbz; benzyloxyc
Tetrahedron report number 762Synthesis and biological activity of pyrrole, pyrroline and pyrrolidine derivatives with two aryl groups on adjacent positions
Keywords: Pyrroles; Pyrrolines; Pyrrolidines; Synthesis; Bioactivity; Natural products; Ac; acetyl; Ar; aryl; Bn; benzyl; Bt; benzotriazol-1-yl; COX-1; cyclooxygenase-1; COX-2; cyclooxygenase-2; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DMF; dimethylformamide; DMPA;
Measurement of the FMOC loading of protected amine-functionalised polymer beads
Keywords: FMOC protection; FMOC measurement; Amine beads; Combinatorial chemistry; Internal standard; Solid phase synthesis; HPLC; DBU;
1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) as ligand for atom transfer radical polymerization (ATRP)
Keywords: Atom transfer radical polymerization (ATRP); Copper complex; DBU; Electrochemistry; Nitrogen bidentate ligand;
Organocatalysts of tertiary-phosphines and amines catalyzed reactions of α-keto esters with cyclopent-2-enone
Keywords: Phosphines; α-Keto esters; Cyclopent-2-enone; Baylis-Hillman reaction; Aldol reaction; DBU;
Synthesis and preliminary physical applications of a rhodamin-biotin phosphatidylethanolamine, an easy attainable lipid double probe
Keywords: Boc; tertio-butyloxycarbonyl; DBU; 1,8-diazabicyclo[5,4,0]undec-7-ene; DHB; 2,5-dihydroxybenzoic acid; DIEA; diisopropyl ethyl amine; DMAP; 4-N,N-dimethylaminopyridine; DMF; N,N-dimethylformamide; DSPE; distearyl-phosphatidylethanolamine; Fmoc; 9-fluoreny
Acyclic α-nitro ketones: a versatile class of α-functionalized ketones in organic synthesis
Keywords: α-Nitro ketones; Acyclic; Organic synthesis; AIBN; azobisisobutyronitrile; ALA-5; δ-aminolevulinic acid; CIMP; 2-chloro-5-iodomethylpyridine; DBU; 1,8-diazobicyclo[5.4.0]undec-7-ene; DCC; dicyclohexylcarbodiimide; DHRGC; dynamic high-resolution gas chro
Naphtho[2,3-c]furan-4,9-diones and related compounds: theoretically interesting and bioactive natural and synthetic products
Keywords: Naphtho[2,3-c]furan-4,9-diones; Naphtho[2,3-c]furan-4(9H)-ones; Naphtho[2,3-c]furan; Isofuranonaphthoquinones; Ac; acetyl; AIBN; 2â²-azobis(isobutyronitrile); Ar; aryl; Bn; benzyl; BOM; benzyloxymethyl; But; tert-butyl; CSA; camphor-10-sulfonic acid; DBU
Metallated molecular materials of fluorene derivatives and their analogues
Keywords: bpy; 2,2â²-bipyridine; CV; cyclic voltammetry; dafe; 4,5-diazafluorene; dafeN2; 9-diazo-4,5-diazafluorene; dafo; 4,5-diazafluoren-9-one; DBU; 1,8-diazabicyclo[5.4.0]undec-7-ene; DME; 1,2-dimethoxyethane; DMF; dimethylformamide; DFT; density functional th
Synthetic approaches to the 2012 new drugs
Keywords: 1,2-DAP; 1,2-diaminopropane; 1,2-DCE; 1,2-dichloroethane; Ac; acetyl; aq; aqueous; B2(pin)2; bis(pinacolato)diboron; BINAP; 2,2â²-bis(diphenylphosphino)-1,1â²-binaphthyl; BOP; benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophospate; CDI; N
Carbon dioxide and carbon disulfide as resources for functional polymers
Keywords: Carbon dioxide; Carbon disulfide; Carbonate; Dithiocarbonate; Ring-opening polymerization; Copolymerization; BPO; Benzoyl peroxide; CHO; Cyclohexene oxide; CL; ε-Caprolactone; Cp*; Pentamethylcyclopentadienyl; CP MAS; Cross polarization magic angle scann
Formation of five- and six-membered heterocyclic rings under radical cyclisation conditions
Keywords: Radical cyclisation; Five- and six-membered heterocycles; Tributyltin hydride; Cascade cyclisation; Sulphur heterocycles; ACN; 1,1â²-azobis(cyclohexanecarbonitrile); AIBN; azobis(isobutyronitrile); AMBN; azobis(methylisobutyronitrile); ATRA; atom transfe
Palladium-catalysed reactions of alcohols. Part D: Rearrangements, carbonylations, carboxylations and miscellaneous reactions
Keywords: Palladium; Catalysis; Alcohols; Rearrangement; Cleavages; Carbonylations; Carboxylations; BINAP; 2,2â²-bis(diphenylphosphino)-1,1â²-binaphthyl; cat.; catalytic; conv.; conversion; dba; dibenzylidene acetone; de; diastereoisomeric excess; ee; enantiomeri
Use of O-glycosylation in total synthesis
Keywords: O-Glycosylation; Total synthesis; Ac; acetyl; ACF; activated carbon fiber; AIBN; 2,2â²-azobiisobutyronitrile; Alloc; allyloxycarbonyl; Ar; aryl; AtOH; 7-aza-1-hydroxy-1H-benzotriazole; BF3(Et2O); boron trifluoride etherate; DMB; 3,4-dimethoxybenzyl; DMTS
Sulfide- and selenide-based linkers in phase tag-assisted synthesis
Keywords: Solid phase; Linkers; Sulfur; Selenium; AIBN; 2,2â²-azobis(2-methylpropionitrile); Alloc; allyloxycarbonyl; Boc; t-butoxycarbonyl; Cbz; benzyloxycarbonyl; CSA; 10-camphorsulfonic acid; DABCO; diazabicyclo[2.2.2]octane; DAST; diethylaminosulfur trifluorid
Palladium-catalysed reactions of alcohols. Part C: Formation of ether linkages
Keywords: Palladium; Alcohols; Etherification; Heterocyclisation; Oxypalladation; η3-Allylpalladium; atm; atmosphere; BINAP; 2,2â²-bis(diphenylphosphino)-1,1â²-binaphthyl; cat.; catalytic; COD; 1,5-cyclooctadiene; conv; conversion; Cy; cyclohexyl; dba; dibenzyli
Non-conventional methodologies for transition-metal catalysed carbon-carbon coupling: a critical overview. Part 1: The Heck reaction
Keywords: Heck reaction; Supercritical fluids; Ionic liquids; Fluorous media; Aqueous solvents; Microwave; Ultrasound; High pressure; Nanofiltration; Microreactors; Ball-milling conditions; A; ampere; AAEMA; deprotonated form of 2-(acetoacetoxy)ethyl methacrylate;