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Volume 2004
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10.3390/M383
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Short Note

3-methyl-1-[3-(3-methyl-2-oxobutylidene)-1,4-dihydro-quinoxalin-2-ylidene]butan-2-one.

by
Ibrahim Bouabdallah
*,
Ismail Zidane
,
Rachid Touzani
,
Fouad Malek
,
Mohamed El Kodadi
and
Abdelkrim Ramdani
Laboratoire de Chimie Organique Physique, Département de Chimie, Faculté des Sciences, Université Mohamed Premier, BP 524, 60000, Oujda , Maroc.
*
Author to whom correspondence should be addressed.
Molbank 2004, 2004(1), M383; https://doi.org/10.3390/M383
Submission received: 13 November 2003 / Accepted: 24 February 2004 / Published: 29 March 2004
Versions Notes
Molbank 2004 m383 i001
To a solution of 3,8-dihydroxy-2,9-dimethyl deca-3,7-diene-5,6-dione 2 [1] (270 mg, 1.2 mmol) in absolute ethanol (20 mL) was added the orthophenylenediamine 1 (129 mg, 1.2 mmol) and the mixture was refluxed for one hour [2]. The yellow precipitate 3 was filtered off, washed with ethanol and dried in air.
Yield: (170 mg , 50 %).
Melting point: 70-71°C (EtOH).
IR (KBr, cm-1): 2900 (CH of CH3), 1620 (C=O).
1H-NMR (200 MHz, CDCl3, d, ppm): 14.81 (s, 2H, N-H); 7.05 (m, 4H, C-H benz); 5.72 (s, 2H, =CH); 2.69 (m, 2H, C-H, J = 6.9 Hz); 1.19 (d, 12H, CH3, J = 6.9 Hz).
13C-NMR (200 MHz, CDCl3, d, ppm): 204.50 (C=O); 145.56 (C3) ; 126.17 (C6); 124.77 (C4a ); 116.55 (C5); 89.01 (=C-H); 40.79 (C-H); 20.07 (CH3).
HR/MS (C18H22N2O2): calc 298.1681; found 298,1700.

Supplementary materials

Supplementary File 1Supplementary File 2Supplementary File 3

References and notes:

  1. Bouabdallah, I.; Zidane, I.; Malek, F.; Touzani, R.; El Kodadi, M.; Ramdani, A. Molbank 2003, M345.
  2. Waring, M.; Ben-hadda, T.; Kotchevar, A.; Ramdani, A.; Touzani, R.; El Kadiri, S.; Hakkou, A.; Bouakka, M.; Ellis, T. Molecules 2002, 7, 641–656. [CrossRef]
  • Sample Availability : Available from the Authors.

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MDPI and ACS Style

Bouabdallah, I.; Zidane, I.; Touzani, R.; Malek, F.; El Kodadi, M.; Ramdani, A. 3-methyl-1-[3-(3-methyl-2-oxobutylidene)-1,4-dihydro-quinoxalin-2-ylidene]butan-2-one. Molbank 2004, 2004, M383. https://doi.org/10.3390/M383

AMA Style

Bouabdallah I, Zidane I, Touzani R, Malek F, El Kodadi M, Ramdani A. 3-methyl-1-[3-(3-methyl-2-oxobutylidene)-1,4-dihydro-quinoxalin-2-ylidene]butan-2-one. Molbank. 2004; 2004(1):M383. https://doi.org/10.3390/M383

Chicago/Turabian Style

Bouabdallah, Ibrahim, Ismail Zidane, Rachid Touzani, Fouad Malek, Mohamed El Kodadi, and Abdelkrim Ramdani. 2004. "3-methyl-1-[3-(3-methyl-2-oxobutylidene)-1,4-dihydro-quinoxalin-2-ylidene]butan-2-one." Molbank 2004, no. 1: M383. https://doi.org/10.3390/M383

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