Next Article in Journal
2-[(2-Hydroxy-naphthalen-1-ylmethylene)-amino]- 5,6-dihydro-4H-cyclopenta [b] thiophene-3-carboxylic Acid Methyl Ester
Previous Article in Journal
Electrophilic Substitution at C(7) of a Protected 7-Deaza-2’-deoxyguanosine – The 2’-Deoxyribonucleoside Parent Analogue of Queuosine #
 
 
Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
Journals
Molbank
Volume 2007
Issue 2
10.3390/M523
molbank-logo
Submit to this Journal Review for this Journal Propose a Special Issue
► Article Menu

Article Menu

share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles thumb_up
...
Endorse textsms
...
Comment
first_page
settings
Order Article Reprints
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
Short Note

2-(Pyrazin-2-yliminomethyl)phenol

by
Abdullah Mohamed Asiri
Chemistry Department, Faculty of Science, King Abdul-Aziz University, Jeddah 21413, P.O. Box 9028, Saudi Arabia
Molbank 2007, 2007(2), M523; https://doi.org/10.3390/M523
Submission received: 5 April 2006 / Accepted: 27 September 2006 / Published: 31 May 2008
Versions Notes

Schiff bases from 2-hydroxy-1-naphthaldehyde have often been used as chelating ligands in the field coordination chemistry [1]. The Schiff base compounds can be classified by their photochromic and thermochromic characteristics [2].
Molbank 2007 m523 i001
A solution of 2-aminopipyrazine 1 (5.0g, 0.052 mol) and 2-hydroxybenzaldehyde aldehyde 2 (6.97g, 0.052 mol) in absolute ethanol (100 mL) was heated under reflux for 3 hrs. Cooling the mixture, filtering the precipitate and recrystalization from ethanol gave the Schiff base 3 as yellow crystals (3.72g, 33.97%).
Melting Point: 96-98°C (EtOH).
IR (KBr, cm-1): 1594.9 (C=N), 1470 (C=C) and 1191.9 (C-N ).
¹H NMR (400MHz; CDCl3) δ, ppm: 12.67 (s, 1H, OH), 8.80 (s, 1H, CH olefinic), 8.67 (d, 1H,, CH aromatic), 8.51 (s, 1H,CH aromatic), 8.50 (d, 1H, CH aromatic), 7.69 (d, 1H, CH aromatic) , 7.27 (dd, 1H, CH aromatic), 6.92 (d, 1H, CH aromatic), 6.84 (dd, 1H, CH aromatic).
Elemental Analysis: Calculated for C11H9N3O (199.21): C, 66.32%; H 4.55%; N, 21.09 %. Found: C, 66.05%; H, 4.43 %; N, 21.14 %.

Supplementary materials

Supplementary File 1Supplementary File 2Supplementary File 3

References

  1. Garnovski, A.D.; Nivorozhkin, A.L.; Minkin, V.I. Coord. Chem. Rev. 1993, 126, 1.
  2. Hadjoudis, E.; Vittorakis, M.; Maustakali-Mavridis, I. Tetrahedron 1987, 43, 1345.

Share and Cite

MDPI and ACS Style

Asiri, A.M. 2-(Pyrazin-2-yliminomethyl)phenol. Molbank 2007, 2007, M523. https://doi.org/10.3390/M523

AMA Style

Asiri AM. 2-(Pyrazin-2-yliminomethyl)phenol. Molbank. 2007; 2007(2):M523. https://doi.org/10.3390/M523

Chicago/Turabian Style

Asiri, Abdullah Mohamed. 2007. "2-(Pyrazin-2-yliminomethyl)phenol" Molbank 2007, no. 2: M523. https://doi.org/10.3390/M523

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop