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11 mar 2015 · Particularly, the use of bifunctionalized compounds (linchpin reagents) allows a fast, modular and efficient access to polyenic chains. In this review, we will focus on the preparation of bifunctionalized dienes and on their utilization in the synthesis of polyenes.
4 lis 2021 · Here we report a visible-light-mediated and transition metal-free conjunctive olefination that uses an alkene ‘linchpin’ with a defined geometry to cross-couple complex molecular scaffolds that...
Linchpins are the pieces on which an argument balances. Linchpin analysis helps analysts to identify the key assumptions that could make or break their view of a focal situation. Until the early 1990s the CIA had predominantly used ‘post-mortem’ analysis to review deficiently foreseen events.
think, “the chemistry of life,” or “the chemistry of carbon.” Other responses might include “pre- med,” “pressure,” “difficult,” or “memorization.” Although formally the study of the compounds of carbon, the discipline of organic chemistry encompasses many skills that are common to other areas of study.
How can we use the laws of mechanics that describe the motions and interactions of individual atomic particles to predict macroscopic properties of the system such as pressure, volume, and temperature?
23 lis 2019 · Corrections and precisions can be found in books and articles specialized in chemical kinetics. However, it is not easy to review this abundant specialized literature to find clear and exact explanations of the main concepts of chemical kinetics.
9 kwi 2021 · Consequently, it leads to unpredictable heterogeneous labeling of proteins. Here, we report that a linchpin can create a unique chemical space to enable site-selectivity for histidine and aspartic acid modifications overcoming the pre-requisite of chemoselectivity.
