Results 71 to 80 of about 4,376 (210)

Palladium-catalysed synthesis of amidines and imidates

open access: yes, 2004
A novel palladium-catalysed three-component synthesis of alkenyl amidines and imidates from alkenyl bromides, isonitriles and amines or alcohols was developed. The amidine synthesis utilised CS2CO3 as the base and was limited to tert-buiyl isonitrile. In
Tetala, Kali Kishore Reddy
core   +1 more source

Pyridines and Quinolines from 1,3-Dichloro-Trimethinecyanines Pyrimidine and Quinazoline from Azacyanine

open access: yesCHIMIA, 1976
A new synthesis of 2,4-bis(dialkylamino)-pyridines and quinolines is reported. Starting from primary aryl amines or aliphatic imines a mechanism via ynamine-amidines is followed if the cyanine Ia is used as reagent. When the cyanine is substituted, (I.R.
H.G. Viehe, G.J. de Voghel, F. Smets
doaj   +1 more source

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, Volume 38, Issue 51, 11 September 2026.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, Volume 38, Issue 51, 11 September 2026.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

Synthesis of α-amino amidines through molecular iodine-catalyzed three-component coupling of isocyanides, aldehydes and amines

open access: yesBeilstein Journal of Organic Chemistry, 2014
A facile and efficient synthetic protocol for the synthesis of α-amino amidines has been developed using a molecular iodine-catalyzed three-component coupling reaction of isocyanides, amines, and aldehydes. The presented strategy offers the advantages of
Praveen Reddy Adiyala   +4 more
doaj   +1 more source

Efficient Microwave Access to Polysubstituted Amidines from Imidoylbenzotriazoles

open access: yes, 2016
Microwave reactions of primary and secondary amines with imidoylbenzotriazoles 6a−w gave diversely substituted amidines 7a−Aa in 76−94% yields. Convenient preparations of a variety of amides 5a−Ab (87−96%) and imidoylbenzotriazoles 6a−w (56−95%) have ...
Sandeep K. Singh (1849165)   +2 more
core   +1 more source

Acyl Amidines by Pd-Catalyzed Aminocarbonylation: One-Pot Cyclizations and 11C Labeling

open access: yes, 2022
A protocol for the carbonylative synthesis of acyl amidines from aryl halides, amidines, and carbon monoxide catalyzed by Pd(0) is reported herein. Notably, carbon monoxide is generated ex situ from a solid CO source, and several productive palladium ...
Jonas Rydfjord (1285629)   +5 more
core   +1 more source

A four-step synthesis of novel (S)-1-(heteroaryl)ethan-1-amines from (S)-Boc-alanine

open access: yesActa Chimica Slovenica, 2014
A series of (S)-1-(pyrimidin-4-yl)-, and regioisomeric (S)-1-(pyrazolo[1,5-a]pyrimidin-7-yl)-, and (S)-1-(pyrazolo[1,5-a]pyrimidin-5-yl)ethan-1-amines were prepared by cyclisation of (S)-N-Boc-alanine-derived ynone with N,N-1,3-dinucleophiles, such as ...
Jurij Svete   +3 more
doaj   +1 more source

Acyl Amidines by Pd-Catalyzed Aminocarbonylation : One-Pot Cyclizations and C-11 Labeling

open access: yes, 2023
A protocol for the carbonylative synthesis of acyl amidines from aryl halides, amidines, and carbon monoxide catalyzed by Pd(0) is reported herein. Notably, carbon monoxide is generated ex situ from a solid CO source, and several productive palladium ...
Roy, Tamal   +11 more
core   +1 more source

Activation of Carbon Dioxide by Bicyclic Amidines

open access: yes, 2016
Activation of the carbon dioxide molecule was achieved using bicyclic amidines (DBU, PMDBD, and DBN). The solution reaction of CO2 with amidines yielded the corresponding zwitterionic complexes through the formation of a N−CO2 bond.
Douglas W. Franco (1543813)   +6 more
core   +2 more sources

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