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- ...630390 }}</ref> Most examples feature amido (NR<sub>2</sub>) or alkyl/aryl groups.<ref name=HR>{{cite journal |doi=10.1021/om7007869|title=The Chemistry of A ...Chemistry of Organic Silicon Compounds |series=The Chemistry of Functional Groups |volume=2 |issue=1 |pages=2463–2568 |isbn=0471967572 }}</ref> ...6 KB (782 words) - 13:04, 6 April 2025
- ** Physical coding sublayer (PCS){{dash}}This sublayer determines when a functional link has been established, provides rate difference compensation, and perfo ...twisted pair copper (100BASE-TX) encodes data [[nibble]]s to five-bit code groups ([[4B5B]]).<ref>IEEE 802.3 Clause 24.1.4.1</ref> ...5 KB (757 words) - 18:02, 7 April 2025
- ...[electrophilic aromatic substitution]] reactions, existing [[substituent]] groups on the [[aromatic ring]] influence the overall [[reaction rate]] or have a ...c substitution]] reaction. EDGs are therefore often known as '''activating groups''', though [[steric effect]]s can interfere with the reaction. ...27 KB (3,784 words) - 14:05, 11 March 2025
- ...i=10.1021/jacsau.4c00571 |pmc=11423323 |pmid=39328761}}</ref> In 2024, the groups of Beckmann, Ye and Tan reported the isolation and characterization of orga {{Functional group}} ...18 KB (2,499 words) - 18:01, 23 June 2025
- ...Sulphoxides and Cyclic Sulphides |series= PATai's Chemistry of Functional Groups |editor1-first= Saul |editor1-last= Patai |editor2-first= Zvi |editor2-last ...esented with the structural formula R−S(=O)−R', where R and R' are organic groups. The bond between the [[sulfur]] and [[oxygen]] atoms is intermediate of a ...14 KB (1,794 words) - 15:54, 17 December 2024
- ...ry)|dimerize]]. Electron donation from [[Vinyl group|vinyl]] and [[aryl]] groups can lend the C-B bond some [[double bond]] character. === Addition to carbonyl functional groups === ...32 KB (4,446 words) - 19:14, 26 June 2025
- ...k layer]]. As typically represented, MAC addresses are recognizable as six groups of two [[hexadecimal]] digits, separated by hyphens, colons, or without a s * '''Functional addresses''' identify one or more Token Ring NICs that provide a particular ...32 KB (4,629 words) - 07:52, 16 November 2025
- ...g bases act on acidic protons with no good vicinal [[Leaving group|leaving groups]]. For example, [[phenyllithium]] will abstract [[Hydrohalic acid|HX]] fro ...ylzinc iodide]] typically complexes to any [[Allyl alcohol|allylic hydroxy groups]] such that addition is [[syn addition|''syn'']] to the [[hydroxy group]]. ...22 KB (2,944 words) - 09:26, 25 May 2025
- ...azo compounds with alkyl substituents that do not contain other functional groups (which would exclude compounds like diazo(diphenyl)methane or ethyl diazoac ...ne possibility;<ref>{{Cite book|title=The chemistry of diazonium and diazo groups. Part 1|date=1978|publisher=Wiley|others=Patai, Saul., Wiley InterScience ( ...14 KB (1,867 words) - 15:18, 25 April 2025
- ...group]]s, as they give the molecule a function. Heteroatoms and functional groups are collectively called "substituents", as they are considered to be a subs ...vertices (intersections or termini) of line segments. For clarity, methyl groups are often explicitly written out as Me or CH<sub>3</sub>, while (hetero)[[c ...28 KB (4,173 words) - 06:25, 1 April 2025
- * RS-232 sends bits in groups of 8, making adding single bits very awkward, and ===Functional extensions (options)=== ...41 KB (6,224 words) - 13:01, 30 October 2025
- Parentheses are used to indicate multiple identical groups, indicating attachment to the nearest non-hydrogen atom on the left when ap ...]] or [[Lewis structure]]s. There are different ways to show the various [[functional group]]s in the condensed formulas such as [[aldehyde]] as CHO, [[carboxyli ...22 KB (3,195 words) - 00:58, 14 October 2025
- ...izontal axis). Signals from spectrum have been assigned [[hydrogen]] atom groups (a through j) from the [[Chemical structure|structure]] shown at upper left ...is attached and to [[electronic effect]]s. Nuclei tend to be deshielded by groups that withdraw electron density. Deshielded nuclei resonate at higher δ valu ...21 KB (3,152 words) - 01:19, 5 October 2024
- ...adition, expanded octet structures are still commonly drawn for functional groups like [[sulfoxide]]s, [[sulfone]]s, and [[Wittig reaction|phosphorus ylides] ...efined by the [[List of character tables for chemically important 3D point groups|character table]] for the D<sub>6h</sub> [[molecular symmetry|symmetry]] gr ...42 KB (6,137 words) - 13:19, 23 May 2025
- ...n period 2 often have the most extreme properties in their respective groups; for example, fluorine is the most reactive [[halogen]], neon is the most i ...name=acell/> When combined with oxygen and hydrogen, carbon can form many groups of important biological compounds<ref name=acell/> including [[sugar]]s, [[ ...36 KB (5,240 words) - 20:41, 10 November 2025
- ...[[valence (chemistry)|valence]] other than the lowest (i.e. 3, 2, 1, 0 for Groups 15, 16, 17, 18 respectively, based on the [[octet rule]]).<ref name=Musher> N-X-L nomenclature, introduced collaboratively by the research groups of [[James Cullen Martin|Martin]], [[Anthony Joseph Arduengo III|Arduengo]] ...39 KB (5,514 words) - 13:25, 25 April 2025
- [[Organic compound]]s are treated in a similar manner; exemplified here on [[functional group]]s occurring in between [[methane]] ({{chem2|CH4}}) and [[carbon diox ...46 KB (6,730 words) - 15:17, 16 November 2025
- An STS-1 payload can also be subdivided into seven ''virtual tributary groups'' (VTGs). Each VTG can then be subdivided into four [[VT1.5]] signals, each ...transport multiple PDH signals—like DS1, E1, DS3, and E3—along with other groups of multiplexed 64 kbit/s [[pulse-code modulated]] voice traffic. The a ...45 KB (6,586 words) - 21:40, 15 October 2025
- ...rl=http://namisanmateo.org/docs/Lauras-Law-AB1421.doc |title=Laura's Law A Functional Outline |periodical=NAMI San Mateo |accessdate=2010-10-27 |url-status=dead ...7 group, p<0·001) the number of patients readmitted did not differ between groups (59 [36%] of 166 patients in the CTO group vs 60 [36%] of 167 patients in t ...31 KB (4,278 words) - 05:06, 25 May 2025
- Many [[chemical compound]]s are aromatic rings with other [[functional group]]s attached. Examples include [[trinitrotoluene]] (TNT), [[aspirin|a ...f> In [[carbo-benzene]] the ring bonds are extended with alkyne and allene groups. ...22 KB (3,029 words) - 12:52, 23 June 2025