Trimellitic anhydride (TMA) is a well-known commercial example ... the central carbonyl group bridge within the BTDA molecule, which permits some rotational movements within the structure.

THE use of the carbobenzoxy reagent for protection of amino-groups in the course of peptide synthesis has, in spite of its obvious advantages, some limitations. In some cases, hydrogenolysis of ...

In a jaw-dropping report today from The Atlantic, editor Jeffrey Goldberg revealed that earlier this month he was added to a private Signal chat group with senior Trump officials called “Houthi ...

NASA’s Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The ...

Russian-American ballerina Ksenia Karelina was released from Kremlin custody in a prisoner swap with the United States on Thursday morning. Karelina was freed in exchange for German-Russian Arthur ...

The online groups are causing young people to “develop a dangerous propensity for extreme violence”, they warned, with many becoming “desensitised and radicalised”. It comes after last ...

The short-lived ceasefire between Israel and its multiple attackers gave me the chance a few weeks ago to head north for the first time since October 7, 2023 to visit my sister- and brother-in ...

In order to adequately prepare for the test, you must obtain the most recent example paper. You have to finish the Tamil Nadu Class 12 Chemistry Syllabus 2025 on time in order to start working on ...

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Most of the criticism around the new competition structure has centred on ... in the summer of 2025 in the United States, with the group stage to begin on June 14, 2025, with Messi's Inter Miami ...