六亚甲基四胺通过一锅三组分程序在水介质中通过芳族醛,丙二腈和β-酮酸酯的反应催化新的多官能化4 H-吡喃的合成。通过两种方法进行反应物的添加导致获得相似的结果。使用催化量的六亚甲基四胺不仅代表了反应的经济面,而且由于使用了水,因此组织了绿色安全的反应条件。因此,当前的策略提供了高生产率,方便操作和环境友好的优点。所有产物的结构均通过元素分析,IR,1 H NMR和13 C NMR光谱证实。
The invention provides compounds, pharmaceutical compositions, kits, method of preparing, and method of using the compounds which exhibit renin and other S9 proteases activities and consist of the formula:—wherein the variables are as defined herein.
Compounds, pharmaceutical compositions, kits and methods are provided for use with DPP-IV and other S9 proteases that comprise a compound of the formula:
wherein R
2
is amino (C
1-6
)alkyl, hetero(C
3-12
)cycloakyl, hetero(C
4-12
)bicycloaryl, heteroaryl, or cyano; and W, X, Y, Z, R
1
, R
5
and R
7
are as defined herein.
<i>Retracted:</i>
Effective and Green One‐Pot Multicomponent Synthesis of Novel Derivatives of 4
<i>H</i>
‐Pyrans in the Presence of Hexamethylenetetramine as Catalyst in Water Medium
作者:Maysam Habibi、Azizollah Habibi、Saber Hakimi Nasab、Hadi Dolati、Seyedeh Mahbobeh Mahdavi
DOI:10.1002/jhet.2781
日期:2017.5
Hexamethylenetetramine (HMTA) catalyzes synthesis of new polyfunctionalized 4H‐pyrans by reaction of aromatic aldehyde, malononitrile, and β‐keto esters via one‐pot three‐component procedure in water medium. Addition of reactants was performed by two methods led to achieve similar results. Using HMTA in catalytic amount not only represents the economic face of the reaction, but also due to the use
Halogenated 2-amino-4H-pyrano[3,2-h]quinoline-3-carbonitriles as antitumor agents and structure–activity relationships of the 4-, 6-, and 9-positions
作者:Ahmed M. Fouda
DOI:10.1007/s00044-016-1747-z
日期:2017.2
A series of halogenated 2-amino-4-aryl-4H-pyrano[3,2-h]quinoline-3-carbonitrile derivatives were prepared via interaction of 8-hydroxyquinoline, 5-chloro-8-hydroxyquinoline, and 8-hydroxy-2-methylquinoline with various α-cyanocinnamonitriles. The assignments of the structure of all synthesized compounds were based on spectral data. The cytotoxic activities of the synthesized compounds against four
Halogenated 2-amino-4H-benzo[h]chromene derivatives as antitumor agents and the relationship between lipophilicity and antitumor activity
作者:Ahmed M. El-Agrody、Ahmed M. Fouda、Essam Shawky A. E. H. Khattab
DOI:10.1007/s00044-016-1773-x
日期:2017.4
Several halogenated 2-amino-4H-benzo[h]chromene derivatives were synthesized and evaluated their cytotoxicity. The structures of the synthesized compounds were established on the basis of spectral data. The in vitro antitumor activity of the synthesized compounds against the cell lines MCF-7, HCT-116, and HepG-2 was investigated in comparison with the reference drugs vinblastine, colchicine, and doxorubicin
合成了几种卤代的2-氨基-4 H-苯并[ h ]色烯衍生物,并评价了它们的细胞毒性。根据光谱数据建立了合成化合物的结构。使用微培养四唑比色测定法,与参考药物长春碱,秋水仙碱和阿霉素比较,研究了合成化合物对细胞系MCF-7,HCT-116和HepG-2的体外抗肿瘤活性。发现与参考药物相比,一些卤代4 H-苯并[ h ]色烯衍生物显示出最高的抗肿瘤活性。结构-活性关系研究表明,在4 H中的4位取代具有特定卤素基团和亲脂性的-苯并[ h ]色烯核增加了该分子抵抗不同细胞系的能力。