acetyl

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Related to COCH3: acetyl chloride, acetylation

acetyl

 [as´ĕ-til, as´ĕtēl″]
the monovalent radical CH3CO-, a combining form of acetic acid.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ac·e·tyl (Ac),

(as'e-til), Avoid the mispronunciation ace'tyl.
CH3CO-; an acetic acid molecule from which the hydroxyl group has been removed.
Farlex Partner Medical Dictionary © Farlex 2012

Acetyl

A functional group and monovalent radical of acetic acid which contains a methyl group single-bonded to the central carbonyl, double-bonded oxygen and a nonbonded electron with which it forms a bond with the rest (R) of the molecule.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

ac·e·tyl

(Ac) (as'ĕ-til)
An acetic acid molecule from which the hydroxyl group has been removed.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Yellow syrup, yield 68.0%, IR (KBr, v): 3420, 2986, 1734, 1685, 1605, 1543, 1506, 1321 cm-1; 1H NMR (CDCl3, 300 MHz, d ppm): 1.50-2.64 (m, 8H), 1.95 (s, 3H, COCH3), 3.45 (m, 2H, NCH2), 3.59 (s, 3H, CH3O-1), 3.91(s, 3H, CH3O-2), 3.95 (s, 3H, CH3O-3), 4.25-4.29 (m, 4H, 2xOCH2), 4.44-4.48 (m, 4H, 2xOCH2), 4.75(m, 1H, H-7), 6.54 (s, 1H, H-4), 7.11 (m, 2H, H-11, H-12), 7.49 (s, 1H, H-8), 8.35 (brs, 1H, NHCO); MS (ESI, m/z): 617.2 [M]+; Anal.
Yellow syrup, yield 65.0%, IR (KBr, v): 3418, 2990, 1738, 1690, 1606, 1558, 1506, 1447 cm-1; 1H NMR (CDCl3, 300 MHz, d ppm): 1.50-2.68 (m, 10H), 1.95 (s, 3H, COCH3), 3.43 (m, 2H, NCH2), 3.68 (s, 3H, CH3O-1), 3.92(s, 3H, CH3O-2), 3.96 (s, 3H, CH3O-3), 4.18-4.22 (m, 4H, 2xOCH2), 4.52-4.56 (m, 4H, 2xCH2), 4.85 (m, 1H, H-7), 6.56 (s, 1H, H-4), 7.07 (m, 2H, H-11, H-12), 7.29 (s, 1H, H-8), 8.25 (brs, 1H, NHCO); MS (ESI, m/z): 631.1 [M]+ ; Anal.
Yellow syrup, yield 76.0%, IR (KBr, v): 3421, 2992, 1740, 1693, 1608, 1554, 1510, 1438 cm-1; 1H NMR (CDCl3, 300 MHz, d ppm): 1.50-2.66 (m, 12H), 1.94 (s, 3H, COCH3), 3.46 (m, 2H, NCH2), 3.70 (s, 3H, CH3O-1), 3.91(s, 3H, CH3O-2), 3.97 (s, 3H, CH3O-3), 4.16-4.20 (m, 4H, 2xOCH2), 4.50-4.54 (m, 4H, 2xOCH2), 4.88 (m, 1H, H-7), 6.53 (s, 1H, H-4), 7.14 (m, 2H, H-11, H-12), 7.35 (s, 1H, H-8), 8.46(brs, 1H, NHCO); MS (ESI, m/z): 645.2 [M]+ ; Anal.
Yellow syrup, yield 80.0%, IR (KBr, v): 3420, 2985, 1736, 1688, 1604, 1553, 1516, 1351 cm-1; 1H NMR (CDCl3, 300 MHz, d ppm): 1.50-2.64 (m, 14H), 1.96 (s, 3H, COCH3), 3.45 (m, 2H, NCH2), 3.69 (s, 3H, CH3O-1), 3.95 (sx2, 6H, CH3O-2 and CH3O-3), 4.15-4.19 (m, 4H, 2xOCH2), 4.47-4.51 (m, 4H, 2xOCH2), 4.65 (m, 1H, H-7), 6.51 (s, 1H, H-4), 7.15 (m, 2H, H-11, H-12), 7.50 (s, 1H, H-8), 8.57 (brs, 1H, NHCO); MS (ESI, m/z): 659.2 [M]+ ; Anal.
Yellow syrup, yield 68.0%, IR (KBr, v): 3420, 2988, 1742, 1686, 1612, 1548, 1513, 1438 cm-1; 1H NMR (CDCl3, 300 MHz, d ppm): 1.50-2.67 (m, 16H), 1.93 (s, 3H, COCH3), 3.47 (m, 2H, NCH2), 3.71 (s, 3H, CH3O-1), 3.89 (s, 3H, CH3O-2), 3.96 (s, 3H, CH3O-3), 4.18-4.22 (m, 4H, 2xOCH2), 4.53-4.57 (m, 4H, 2xOCH2), 4.81 (m, 1H, H-7), 6.54 (s, 1H, H-4), 7.13 (m, 2H, H-11, H-12), 7.39 (s, 1H, H-8), 8.47 (brs, 1H, NHCO); MS (ESI, m/z): 673.1 [M]+ ; Anal.
Yellow syrup, yield 70.0%, IR (KBr, v): 3422, 2985, 1740, 1687, 1614, 1543, 1506, 1351 cm-1; 1H NMR (CDCl3, 300 MHz, d ppm): 1.50-2.65 (m, 8H), 1.95 (s, 3H, COCH3), 3.44 (m, 2H, NCH2), 3.58 (s, 3H, CH3O-1), 3.90(s, 3H, CH3O-2), 3.96 (s, 3H, CH3O-3), 4.55 (m, 4H, 2xOCH2), 4.65 (m, 1H, H-7), 5.05(m, 4H, 2xOCH2), 6.54 (s, 1H, H-4), 6.68 (m, 2H, =CHx2), 7.09 (m, 2H, H-11, H-12), 7.54 (s, 1H, H-8), 8.63 (brs, 1H, NHCO); MS (ESI, m/z): 643.3 [M]+ ; Anal.