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3.55 (t, J = 4.8 Hz, 2H, CH2N), 6.58 (s, 1H, NH). 13C NMR (75
MHz, CDCl3): δ 13.9, 40.4, 42.1, 61.6, 174.0, MS: 241
(M–H2)+.
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N-Myristoylethanolamine (3c)
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mp 82–86 °C, white crystalline solid, Anal. Calculated for
C16H33NO2 C 70.80, H 12.25, N 5.16, found C 70.68, H 12.35,
N 5.14%. IR νmax/cm−1: 1560 (C-N), 1643 (C=O), 2920 (C-H),
3293 (O-H), 1H NMR (300 MHz, CDCl3): δ 0.84 (t, J = 5.5 Hz,
3H, CH3), 1.22 (m, 22H, CH2 chain), 2.03 (t, J = 7.3 Hz, 2H,
CH2CO), 2.54 (s, 1H, OH), 3.24 (t, J = 5.9 Hz, 2H, CH2O),
3.61 (t, J = 5.8 Hz, 2H, CH2N), 6.42 (s, 1H, NH). 13C NMR (75
MHz, CDCl3): δ 14.9, 40.8, 41.9, 62.0, 173.4. MS: 271
(M–H)+, 213 (M–H2)+.
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N-Palmitoylethanolamine (3d)
20.Maag, H. J. Am. Oil Chem. Soc. 1984, 61, 259–267.
mp 112–114 °C, white crystalline solid, Anal. Calculated for
C18H37NO2 C 72.19, H 12.45, N 4.68%, found C 72.24, H
12.56, N 4.78%. IR νmax/cm−1: 1558 (C-N), 1643 (C=O), 2850
(C-H), 3298 (O-H), 1H NMR (300 MHz, CDCl3): δ 0.88 (t, J =
6.5 Hz, 3H, CH3), 1.23 (m, 24H, CH2 chain), 2.12 (t, J = 8.2
Hz, 2H, CH2CO), 2.62 (s, 1H, OH), 3.42 (t, J = 5.2 Hz, 2H,
CH2O), 3.65 (t, J = 5.3 Hz, 2H, CH2N), 6.67 (s, 1H, NH). 13C
NMR (75 MHz, CDCl3): δ 13.9, 40.4, 42.1, 61.6, 174.0. MS:
298 (M–H)+, 297 (M–H2)+.
21.Gotor, V.; Brieva, R.; Rebolledo, F. J. Chem. Soc., Chem. Commun.
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23.Kidwai, M.; Saxena, S.; Mohan, R.; Venkataramanan, R. J. Chem.
24.Kidwai, M.; Dave, B.; Bhushan, K. R.; Misra, P.; Saxena, R. K.; Gupta,
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Acknowledgments
The authors (R. Poddar and P. Mothsra) are thankful to CSIR
New Delhi for their junior and senior research fellowship
respectively and M. Kidwai is grateful to the University of
Delhi for providing finance assistant.
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