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
  • [21] Regioselective preparation of 3,4-dihydro-4-methyl-2H,6H-[1,3]-thiazino[2,3-b]quinazolin-6-ones and 2,3-dihydro-3-methyl-5H-thiazolo[2,3-b]quinazolin-5-ones as well as analogous polycyclic pyrimidinone derivatives from condensed 2-alkenylthiopyrimidine-4(3H)-ones
    Wippich, P
    Hendreich, C
    Gutschow, M
    Leistner, S
    SYNTHESIS-STUTTGART, 1996, (06): : 741 - &
  • [22] 5H-1-benzothiopyrano[2,3-b]pyridin-5-one
    Khan, Muhammad Naeem
    Tahir, M. Nawaz
    Khan, Misbahul Ain
    Khan, Islam Ullah
    Arshad, Muhammad Nadeem
    ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, 2008, 64 : O1704 - U1480
  • [23] Synthesis of 2-Aryl-12H-benzothiazolo[2,3-b]quinazolin-12-ones and Their Activity Against Monoamine Oxidases
    Jafari, Behzad
    Jalil, Saquib
    Zaib, Sumera
    Lqbal, Jamshed
    Safarov, Sayfidin
    Khalikova, Muattar
    Isobaev, Muzafar
    Munshi, Ali
    Rahman, Qamar
    Ospanov, Meirambek
    Yelibayeva, Nazym
    Kelzhanova, Nazken
    Abilov, Zharylkasyn A.
    Turmukhanova, Mirgul Z.
    Kalugin, Sergey N.
    Ehlers, Peter
    Langer, Peter
    CHEMISTRYSELECT, 2019, 4 (37): : 11071 - 11076
  • [24] SYNTHESIS OF 2,3-DIHYDRO-5H-OXAZOLO[2,3-B]QUINAZOLIN-5-ONES
    PEET, NP
    ANZEVENO, PB
    JOURNAL OF HETEROCYCLIC CHEMISTRY, 1979, 16 (05) : 877 - 880
  • [25] THIOPEGAN DERIVATIVES .23. SYNTHESIS OF 5H-THIAZOLO[3,2-A]QUINAZOLIN-5-1 AND 5H-THIAZOLO[2,3-B]QUINAZOLIN-5-1 DERIVATIVES CONTAINING PHENOLIC, ALKOXY, AND ALKYL GROUPS
    DHAMI, KS
    NARANG, KS
    ARORA, SS
    JOURNAL OF MEDICINAL CHEMISTRY, 1963, 6 (04) : 450 - &
  • [27] SIMPLE SYNTHESIS OF 5-OXO-2,3-DIHYDRO-5H-[1,3]OXAZOLO[2,3-B]QUINAZOLINES
    KAMPE, KD
    SYNTHESIS-STUTTGART, 1976, (07): : 469 - 471
  • [28] FACILE SYNTHESIS OF 5H-[1]BENZOPYRANO[2,3-B]-1,2,3,4-TETRAHYDROPYRIDIN-5-ONES
    PASUTTO, FM
    ABUZAR, S
    SATYAMURTHY, S
    HETEROCYCLES, 1985, 23 (09) : 2293 - 2297
  • [29] 2,3-DIHYDRO-5H-[1,3,4]THIADIAZOLO-[2,3-B]QUINAZOLIN-2,5-DIONES
    GAKHAR, HK
    GUPTA, R
    GILL, JK
    INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY, 1986, 25 (09): : 957 - 959
  • [30] STUDIES ON HETEROCYCLIC COMPOUNDS .3. SYNTHESIS OF THIAZOLO[2,3-B]BENZOTHIAZOLIUM SALTS AND 2H-[1,3]-THIAZINO[2,3-B]BENZOTHIAZOLIUM SALTS
    OGURA, H
    ITOH, T
    OGIWARA, M
    OKAMOTO, T
    YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN, 1969, 89 (04): : 469 - +