Results 111 to 120 of about 2,155,266 (206)
The well-known aminoazoles, 3-amino-5-methylisoxazole and 5-amino-N-aryl-1H-pyrazole-4-carboxamides, were studied as an amine component in Ugi and Groebke–Blackburn–Bienaymé multicomponent reactions.
Maryna V. Murlykina +8 more
doaj +1 more source
Tritylamine as an Ammonia Surrogate in the Ugi Reaction Provides Access to Unprecedented 5-Sulfamido Oxazoles Using Burgess-type Reagents. [PDF]
Bhela IP +4 more
europepmc +1 more source
Model Studies on the First Enzyme-Catalyzed Ugi Reaction
Multicomponent reactions are powerful tools for organic chemistry, and among them, the Ugi reaction provides remarkable improvement in many fields of organic chemistry such us combinatorial chemistry, medicinal chemistry, and peptide chemistry.
Stanisław Berłożecki (1997758) +3 more
core +1 more source
Silver(I) triflate-catalyzed post-Ugi synthesis of pyrazolodiazepines
A silver(I) triflate-catalyzed post-Ugi assembly of novel pyrazolo[1,5-a][1,4]diazepine scaffolds is reported offering high yields (up to 98%) under mild conditions.
Muhammad Hasan +6 more
doaj +1 more source
Ugi reaction in the synthesis of Janus dendrimers as nanocarriers of chlorambucil and ibuprofen
The synthesis and characterization of Janus dendrimers conjugated with two drugs: chlorambucil and ibuprofen are reported. The dendrons by the Ugi reaction were obtained.
Israel Barajas-Mendoza +2 more
doaj +1 more source
A one-pot procedure for the highly diastereoselective synthesis of 1-carbamoyl-4-amino-1,2,4,5-tetrahydroindolo[2,3-c]azepin-3-one derivatives is described. Using 2-formyl-L-tryptophan as a bifunctional building block, a catalyst-free Ugi-three-component
Steven Ballet (654557) +4 more
core +1 more source
Diversely Substituted Polyamides: Macromolecular Design Using the Ugi Four-Component Reaction
A novel strategy is demonstrated to obtain polyamides with finely tunable structure using the Ugi four-component reaction (Ugi-4CR). By the use of two bifunctional and two monofunctional components, six different combinations for the synthesis of ...
Oliver Kreye (1810486) +3 more
core +1 more source
Synthesis of multifunctional polymers through the ugi reaction for protein conjugation
The Ugi reaction has been utilized as a multicomponent click reaction to efficiently synthesize a series of multifunctional PEGylation agents, and those PEG derivatives were successfully conjugated on a protein surface to generate corresponding ...
Zhang, Yaling +13 more
core +1 more source
Using Triazolobenzodiazepine as the Cyclic Imine in Various Types of Joullié–Ugi Reactions
The triazolobenzodiazepine as a cyclic imine was employed in a variety of Joullié–Ugi reactions, and three new families of unique triazolobenzodiazepine connected to carboxamide and tetrazole products were synthesized via a three-component reaction of ...
Maryam Ghasemi (12366706) +4 more
core +2 more sources

