Accelerated Luminophore Discovery through Combinatorial Synthesis
摘要:
A method for accelerating the discovery of ionic luminophores using combinatorial techniques is reported. The photophysical properties of the resulting transition-metal-based chromophores were compared against a series of analogous, traditionally prepared species. The strong overlap between these two sets confirms the identity of the parallel synthesis products and supports the truthfulness of the combinatorial results. Further support for the combinatorial method comes from the adherence of these complexes to the energy gap law. The relationship between the structure of a complex and its photophysical properties was also considered, and static DFT calculations were used to assess whether it is feasible to predict the luminescent behavior of novel materials.
Accelerated Luminophore Discovery through Combinatorial Synthesis
摘要:
A method for accelerating the discovery of ionic luminophores using combinatorial techniques is reported. The photophysical properties of the resulting transition-metal-based chromophores were compared against a series of analogous, traditionally prepared species. The strong overlap between these two sets confirms the identity of the parallel synthesis products and supports the truthfulness of the combinatorial results. Further support for the combinatorial method comes from the adherence of these complexes to the energy gap law. The relationship between the structure of a complex and its photophysical properties was also considered, and static DFT calculations were used to assess whether it is feasible to predict the luminescent behavior of novel materials.
Efficient construction of C–C bonds from aryl halides/aryl esters with arylboronic acids catalysed by palladium(II) thiourea complexes
作者:Manikandan Thimma Sambamoorthy、Ramesh Rengan、Malecki Jan Grzegorz
DOI:10.1002/aoc.5181
日期:2019.11
Interestingly, the palladium(II) thiourea complexes showed the highest catalytic activity with 0.1 mol% catalyst loading in Suzuki–Miyaura cross‐coupling reactions utilizing a range of aryl bromides/unactivated aryl chlorides with arylboronicacids as coupling partners in aqueous–organic media. Syntheses of diaryl ketones using aryl esters and arylboronicacids as coupling partners were also achieved with low
Highly efficient palladium(<scp>ii</scp>) hydrazone based catalysts for the Suzuki coupling reaction in aqueous medium
作者:Subramanian Muthumari、Rengan Ramesh
DOI:10.1039/c6ra06734d
日期:——
and reveal the presence of a distorted square planar geometry around the Pd ion. The complexes 1–5 (0.05 mol%) have been found to be a highly active catalytic system in the mono and double Suzuki–Miyaura cross coupling reaction of deactivated aryl and heteroaryl bromides with different types of aryl boronic acids in neat water and the maximum yield was up to >99%. Notably, these catalysts work well with
Compounds of Formula I: (I) in which A, A1, R1, R7a, R7b, R8 and R10 have the meanings given in the specification, are DP2 receptor inhibitors useful in the treatment of useful in the treatment and prevention of immunologic diseases, allergic diseases such as asthma, allergic rhinitis and atopic dermatitis, and other inflammatory diseases mediated by prostaglandin D2 (PGD2). The compounds of Formula I may also be useful in treating diseases or medical conditions involving the Th2 T cell via production of IL-4, IL-5 and/or IL-13.
This invention relates to a class of pyrrolidine compounds of formula (I), and pharmaceutically acceptable derivatives thereof, to their use in medicine, to compositions containing them, and to processes for their preparation. It also relates to intermediates used in the preparation of such compounds and derivatives. In particular the compounds of formula (I) are useful for the treatment of EP2-mediated conditions, such as endometriosis, uterine fibroids (leiomyomata), menorrhagia, adenomyosis, primary and secondary dysmenorrhoea (including symptoms of dyspareunia, dyschexia and chronic pelvic pain), chronic pelvic pain syndrome.
Palladium(ii) thiocarboxamide complexes: synthesis, characterisation and application to catalytic Suzuki coupling reactions
作者:Elangovan Sindhuja、Rengan Ramesh、Yu Liu
DOI:10.1039/c2dt12243j
日期:——
and were found to have much greater activity, without using any promoting additives or phase transfer agent underaerobicconditions. Higher reaction rates are obtained by varying R substituents on the aromatic ring of pyridine-2-thiocarboxamide. The effect of other variables on the cross-coupling reaction, such as temperature, solvent and base, is also reported.