acetyl

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Related to COCH3: acetyl chloride, acetylation

a·ce·tyl

 (ə-sēt′l, ăs′ĭ-tl)
n.
The methyl acyl group, CH3CO, formally derived from acetic acid.

ac′e·tyl′ic (ăs′ĭ-tĭl′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

acetyl

(ˈæsɪˌtaɪl; əˈsiːtaɪl)
n
(Chemistry) (modifier) of, consisting of, or containing the monovalent group CH3CO-: acetyl group or radical.
[C19: from acet(ic) + -yl]
acetylic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

a•ce•tyl

(əˈsit l, əˈsɛt l, ˈæs ɪ tl)

n.
the univalent group CH3CO–, derived from acetic acid.
[1860–65]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acetyl - the organic group of acetic acid (CH3CO-)acetyl - the organic group of acetic acid (CH3CO-)
acyl, acyl group - any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
acetyl
References in periodicals archive ?
The acetylation process occurs when the acetyl group (COCH3) is transferred from acetyl-coenzyme A (acetyl-CoA) to lysine residues, by a process regulated by histone acetyltransferases (HATs) [59].
[sup.1]HNMR: [delta] = 2.25 (s, 3H, 7-C[H.sub.3]); 2.57 (s, 3H, COCH3); 3.08 (s, 3H, 3-C[H.sub.3]); 5.96 (s, 1H, CH-pyrim.).
Compound 20: [C.sub.15][H.sub.20][O.sub.9]; FAB-MS m/z: 335 [[M+H].sup.+]; 1H-NMR (600 MHz, C[D.sub.3]OD): 6.27 (1H, d, J = 2.4 Hz, H5), 6.19 (1H, d, J = 2.4 Hz, H-3), 5.04 (1H, d, J = 7.8 Hz, Glc H-1), 3.89 (3H, s, 6-OMe), 2.59 (3H, s, COCH3); [sup.13]C-NMR (150 MHz, C[D.sub.3]OD): 206.2 (COCH3), 166.7 (C-2), 165.2 (C4), 164.8 (C-6), 107.9 (C-1), 100.8 (Glc C-1), 97.4 (C-3), 93.2 (C-5), 77.9 (Glc C-3), 77.2 (Glc C-5), 74.3 (Glc C-2), 70.9 (Glc C-4), 62.0 (Glc C-6), 56.7 (6-OMe), 33.3 (COC[H.sub.3]).
magna v (O-H) 3,440 3,424 3,424 v (N-H) 3,268 3,262 3,262 v (COCH3) 2,932 2,934 2,932 v (C-H) 2,874 2,884 2,884 v (C-O) 1,654 1,655 1,655 v (C=O) 1,627 1,624 1,624 [delta] (N-H) 1,560 1,560 1,561 Table 3: Elemental analysis of extracted chitin from shrimp and pill-millipedes Chitin Elements (%) Nitrogen Carbon Hydrogen Oxygen C/N Shrimp 5.69 37.52 6.38 28.13 6.5 A.
ring); 1H-NMR (DMSO-d6, d ppm): 1.28 (t, 3H, CH3, J = 6.96 Hz), 1.94 (s, 3H, COCH3), 4.16 (q, 2H, CH2, J = 6.96 Hz), 7.55 (d, 2H, arH, J = 7.20 Hz), 7.87 (d, 2H, arH, J = 7.20 Hz), 10.58 (s, 1H, NH); C-NMR (DMSO-d6, d ppm): 167.14 (C=O), 161.39 (C=N), arC: [135.42 (C), 132.11(C), 129.41 (2CH), 128.06 (2CH)], 62.03 (CH2), 15.87 (COCH3), 14.13 (CH3); LC-MS: m/z (%) 241.18 (MW), 241.69 [M] (84), 164.10 (93); Anal.calcd (%) for C11H13N2O2Cl : C, 54.89; H, 5.44; N, 11.64.