1H and 13C spectral assignment of substituted 5H-[1,3]thiazolo[2,3-b]quinazolin-5-one and 12H-[1,3]benzothiazolo[2,3-b] quinazolin-12-one

被引:1
|
作者
Palacios, Maite L. Docampo [1 ]
Fascio, Mirta L. [2 ]
Villalobo, Anas Fernandez [1 ]
Pellon, Rolando F. [1 ]
机构
[1] Ctr Quim Farmaceut, Dept Quim Organ, Havana, Cuba
[2] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Organ, RA-1428 Buenos Aires, DF, Argentina
关键词
NMR; H-1; C-13; thiazoloquinazolin-5-one; benzothiazoloquinazolin-12-one;
D O I
10.1002/mrc.2360
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
H-1 and C-13 spectroscopic data for 5H-[1,3]thiazolo[2,3-b]quinazolin-5-one and 12H-[1,3]benzothiazolo[2,3-b]quinazolin-12-one derivatives were fully assigned by combination of one- and two-dimensional experiments (DEPT, HMBC and HMQC). Both heterocyclic systems show similar spectroscopic properties with some remarkable differences. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码:174 / 178
页数:5
相关论文
共 50 条
  • [31] Concentration effects on the 1H NMR spectra of 5H- and 6H-indolo[2,3-b]quinolines
    Kania, L
    Kamienska-Trela, K
    Kaczmarek, L
    Wójcik, J
    NUCLEAR MAGNETIC RESONANCE AND ITS APPLICATIONS, PROCEEDINGS, 2001, 33 : 18 - 21
  • [32] Absolute configuration of (1S, 2S)-3-methyl- 2-phenyl-2,3-dihydrothiazolo[2,3-b] quinazolin-5-one
    Ghorab, Mostafa. M.
    Al-Said, Mansour. S.
    Abdel-Kader, Maged. S.
    Hemamalini, Madhukar
    Fun, Hoong-Kun
    ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, 2012, 68 : O927 - +
  • [33] Noncovalent Bonds, Spectral and Thermal Properties of Substituted Thiazolo[2,3-b][1,3]thiazinium Triiodides
    Yushina, Irina
    Tarasova, Natalya
    Kim, Dmitry
    Sharutin, Vladimir
    Bartashevich, Ekaterina
    CRYSTALS, 2019, 9 (10):
  • [35] SYNTHESIS OF 2,3-DIHYDRO[1]BENZOPYRANO[2,3-B]PYRROL-4(1H)-ONES AND 1,2,3,4-TETRAHYDRO-5H-[1]BENZOPYRANO[2,3-B]PYRIDIN-5-ONES
    MORRIS, J
    WISHKA, DG
    JENSEN, RM
    JOURNAL OF ORGANIC CHEMISTRY, 1993, 58 (25): : 7277 - 7280
  • [36] Hydrolysis, alcoholysis and aminolysis of 12H-benzoxazolo[2,3-b]quinazolin-12-imines
    Atanassov, P
    Davidkov, K
    JOURNAL OF CHEMICAL RESEARCH-S, 1995, (12): : 500 - 501
  • [37] 3-[2-(5H-Indolo[2,3-b]quinoxalin-5-yl)ethyl]-1,3-oxazolidin-2-one
    Alsubari, Abdussalam
    Bouhfid, Rachid
    Zouihri, Hafid
    Essassi, El Mokhtar
    Ng, Seik Weng
    ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, 2010, 66 : O2461 - U1588
  • [38] Study of DABCO Based Acidic Ionic Liquids Strategy for the Synthesis of 1,3-Dithiolane and Benzothiazolo-[2,3-b]-quinazolin-1-one Derivatives
    Pinate, Priyanka
    Saifan, Abdulfatah Abdullah Abdu
    Makone, Sangita
    CATALYSIS LETTERS, 2024, 154 (04) : 1462 - 1478
  • [39] Diastereoselective synthesis of fused [1,3]thiazolo[1,3]oxazins and [1,3]oxazino[2,3-b][1,3]benzothiazoles
    Issa Yavari
    Zinatossadat Hossaini
    Sanaz Souri
    Samereh Seyfi
    Molecular Diversity, 2009, 13 : 439 - 443
  • [40] 2-Methylsulfanyl-9H-1,3,4-thiadiazolo[2,3-b]quinazolin-9-one
    El-Azab, Adel S.
    Abdel-Aziz, Alaa A. -M.
    Al-Swaidan, Ibrahim A.
    Ng, Seik Weng
    Tiekink, Edward R. T.
    ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, 2012, 68 : O2134 - +