Patrick C. Nobre
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View article: Design, Synthesis, Photophysical, Theoretical, and Electrochemical Characterization of Novel Organochalcogen‐DHPM‐Triazole Hybrids
Design, Synthesis, Photophysical, Theoretical, and Electrochemical Characterization of Novel Organochalcogen‐DHPM‐Triazole Hybrids Open
The integration of DHPM with a 1,2,3‐triazole core or an organochalcogen moiety, as well as the development of organochalcogen‐triazole hybrids, constitutes a robust strategy for the design of novel bioactive molecules and compounds with o…
View article: Synthesis of 2,3-Dihydrobenzofuran Chalcogenides Under Visible Light: A Sustainable Approach
Synthesis of 2,3-Dihydrobenzofuran Chalcogenides Under Visible Light: A Sustainable Approach Open
This study introduces a visible light-mediated synthesis of 2,3-chalcogenil-dihydrobenzofuran through the oxyselenocyclization of 2-allylphenols in the presence of chalcogenides. Emphasizing sustainability, this method is notably enhanced …
View article: Telluride-Based Pillar[5]arene: A Recyclable Catalyst for Alkylation Reactions in Aqueous Solution
Telluride-Based Pillar[5]arene: A Recyclable Catalyst for Alkylation Reactions in Aqueous Solution Open
The syntheses of previously unknown sulfide- and telluride-pillar[n]arenes are reported here. These macrocycles, among others, were tested as catalysts for alkylation reactions in aqueous solutions. Telluride-pillar[5]arene (P[5]-TePh) sho…
View article: Elemental Chalcogen (Se, S) in PEG-400 to the Synthesis of Seleno- and Thioflavones from 2-Chlorophenyl Ethynyl Ketone and Nucleophilic Species of Chalcogen
Elemental Chalcogen (Se, S) in PEG-400 to the Synthesis of Seleno- and Thioflavones from 2-Chlorophenyl Ethynyl Ketone and Nucleophilic Species of Chalcogen Open
An alternative green method was developed for the synthesis of thio-and selenoflavones by the ring closure of 2-chlorophenyl ethynyl ketone with NaHY (Y = S, Se). These nucleophilic chalcogen species were generated in situ using NaBH4 to r…
View article: Elemental Chalcogen (Se, S) in PEG-400 to the Synthesis of Seleno- and Thioflavones from 2-Chlorophenyl Ethynyl Ketone and Nucleophilic Species of Chalcogen
Elemental Chalcogen (Se, S) in PEG-400 to the Synthesis of Seleno- and Thioflavones from 2-Chlorophenyl Ethynyl Ketone and Nucleophilic Species of Chalcogen Open
An alternative green method was developed for the synthesis of thio- and selenoflavones by the ring closure of 2-chlorophenyl ethynyl ketone with NaHY (Y = S, Se). These nucleophilic chalcogen species were generated in situ using NaBH4 to …
View article: Ultrasound-promoted synthesis of 2-organoselanyl-naphthalenes using Oxone <sup>®</sup> in aqueous medium as an oxidizing agent
Ultrasound-promoted synthesis of 2-organoselanyl-naphthalenes using Oxone <sup>®</sup> in aqueous medium as an oxidizing agent Open
A green methodology to synthesize 2-organoselanyl-naphthalenes based on the reaction of alkynols with diaryl diselenides is described. The electrophilic species of selenium were generated in situ, by the oxidative cleavage of the Se–Se bon…
View article: Peer Review #2 of "Ultrasound-promoted synthesis of 2-organoselanyl-naphthalenes using Oxone® in aqueous medium as an oxidizing agent (v0.1)"
Peer Review #2 of "Ultrasound-promoted synthesis of 2-organoselanyl-naphthalenes using Oxone® in aqueous medium as an oxidizing agent (v0.1)" Open
A green methodology to synthesize 2-organoselanyl-naphthalenes based on the reaction of alkynols with diaryl diselenides is described.The electrophilic species of selenium were generated in situ, by the oxidative cleavage of the Se-Se bond…
View article: Synthesis of enantiomerically pure glycerol derivatives containing an organochalcogen unit: In vitro and in vivo antioxidant activity
Synthesis of enantiomerically pure glycerol derivatives containing an organochalcogen unit: In vitro and in vivo antioxidant activity Open
We describe here the synthesis of enantiomerically pure chalcogenoethers obtained through the reaction of nucleophilic species of chalcogen (S, Se and Te), generated in situ from the respective diorganyl dichalcogenides, with (R)- and (S)-…