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...ict, using [[density functional theory]], where the most electrophilic and nucleophilic sites of a molecule are.<ref>{{cite book | isbn=9781420065435 | title = Che Most chemical reactions in general involve a change in electron density of the molecules involved. ...

{{short description|Addition reaction}} In [[organic chemistry]], '''alkynylation''' is an [[addition reaction]] in which a [[terminal alkyne]] ({{chem2|\sC\tCH}}) is added to a ...

...transition metal-carbon bonds|editor=Hartley and Patai}}</ref> When these reactions are reversible, the removal of the small molecule from the metal-ligand bon ...on=Examples of type 1,1 (a) and 1,2 (b) resulting geometries for insertion reactions ...

...polymerization|anionic polymerization]] reactions, cationic polymerization reactions are very sensitive to the type of [[solvent]] used. Specifically, the abili ...isomerization of repeating units. Monomers for cationic polymerization are nucleophilic and form a stable [[cation]] upon polymerization.<ref name="KM book">{{cite ...

...eactions|year=2009|doi=10.1002/0471264180.or072.02|chapter=Desulfonylation Reactions|isbn=978-0471264187}}</ref> ...y. α-Sulfonyl [[carbanion]]s may be used as [[nucleophile]]s in alkylation reactions, Michael-type additions, and other processes.<ref>{{cite journal|doi=10.107 ...

...of hydrogen fluoride lead to an alkoxyaminosulfur difluoride intermediate. Nucleophilic attack by fluoride, either by an S_N1<ref>Rozen, S. ; Faust, Y. ; ...he corresponding geminal difluorides proceeds by a similar mechanism, with addition of hydrogen fluoride preceding the hydroxyl replacement mechanism described ...

...and controlling diastereofacial selectivity in carbon-carbon bond-forming reactions, Aldrichimica Acta 23(4):94-111, esp. p. 101, see {{cite web |url=http://ww ...anar molecular geometry|planar]] in shape. This is called a [[nucleophilic addition]] reaction and it plays a central role in the [[biochemistry|biological che ...

...Due to the environmental and safety impact of non-recyclable, high energy reactions with <chem>HCl</chem>, an alternative synthesis of a shelf-stable germanium ...is of much note since the sole byproduct of this reaction is water. These reactions could provide an alternative to normal oxide separations for other metals t ...

...yclopropenimine superbases. Direct neutral Bronsted base catalyzed Michael reactions with α-aryl esters|volume=137|issue=32|pages=10246–10253|date=2015|doi=10.1 ...very strong solubilization effect also an extreme acceleration of addition reactions even at temperatures below -78&nbsp;°C. ...

...ning [[monooxygenase]] (NMO) enzymes such as this target the [[Nucleophile|nucleophilic]] terminal amine groups of primary [[Amine|aliphatic amines]] such as [[Orn In addition to being found in the non-pathogenic fungi such as ''[[Aspergillus nidulans ...

...its.<ref name="Flecks_2008" /> Multiple halogenations are prevented as the addition of a halogen atom to the substrate greatly increases its steric bulk, causi ..., generating an [[epoxide]]. This epoxide is then opened by regioselective nucleophilic attack of halide anion at C7. The resultant halohydrin is dehydrated to for ...

...nes. XXVI. The identification of the formyl donors of the transformylation reactions | journal = The Journal of Biological Chemistry | volume = 234 | issue = 7 This tetrahydrofolate (THF)–dependent enzyme catalyzes a nucleophilic acyl substitution of the formyl group from 10-formyltetrahydrofolate (fTHF) ...

..., and protein arginine phosphorylation regulates transcription factors, in addition to tagging rogue proteins for degradation in gram-positive bacteria.<ref na ...ess via [[SN2 reaction|SN2 reactions]].<ref name=":0" /> Step 1 involves a nucleophilic attack of [[Cysteine|Cys7]] on the phosphorus atom of the phosphoric group. ...

...the excited electron. This pathway is slow because it is [[Spin-forbidden reactions|spin-forbidden]] so the triplet excited state has a substantial average lif ...thus is an additional parameter to consider when developing new photoredox reactions. ...

...uthor2=Jordan, A. M.|title=The medicinal chemist's toolbox: an analysis of reactions used in the pursuit of drug candidates|journal=J. Med. Chem.|year=2011|volu ...gement]] and the [[Diels-Alder|Diels-Alder cycloaddition]] are examples of reactions that are 100 percent atom economical. On the other hand, a prototypical [[W ...

...ained (Figure below). Such an inversion is observed at silicon atom during nucleophilic displacement reaction that is usually noticed when leaving groups are repla ...ssue=7 |pages=2766–2769 |doi=10.1039/C4NJ00292J |issn=1369-9261}}</ref> In addition, Marchesi et al. developed a series of amorphous POSS-based polysilsesquiox ...