Abstract:
:Cycloaddition reactions of the nitrilimines 4-6 with N-arylmaleimides 7 and acrylamide (11) yield the pyrrolopyrazole derivatives 8-10 and 2-pyrazolines 12, respectively, in excellent yield. The regioselectivity and biological activities of some of the new compounds were investigated.
journal_name
Arch Pharm (Weinheim)journal_title
Archiv der Pharmazieauthors
Ead HA,Hassaneen HM,Abdallah MA,Mousa HAdoi
10.1002/ardp.19913240110subject
Has Abstractpub_date
1991-01-01 00:00:00pages
35-7issue
1eissn
0365-6233issn
1521-4184journal_volume
324pub_type
杂志文章abstract::A series of 5-amino-3-methylisoxazole-4-carboxylic acid amides has been prepared by condensation of 5-amino-3-methylisoxazole-4-carboxylic acid with ethyl chloroformate. The resulting mixed anhydride undergoes condensation with appropriate phenylamides to form the corresponding amides 6-16. The compounds obtained were...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/(sici)1521-4184(19995)332:5<158::aid-ardp1
更新日期:1999-05-01 00:00:00
abstract::3-Ethyl 5-methyl 1,4-dihydro-2-[(2-hydroxyethoxy) methyl]-6-methyl-4-(2,3-dichlorophenyl)-3,5-pyridinedicarboxylate (13), a bioisostere of amlodipine, was prepared by the reaction of ethyl 4-(2-hydroxyethoxy)acetoacetate (11) with methyl 2-(2,3-dichlorobenzylidene)acetoacetate (12) and NH4OAc. Compound 13 was elaborat...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/(sici)1521-4184(199910)332:10<363::aid-ard
更新日期:1999-10-01 00:00:00
abstract::The present work describes the synthesis and antifungal evaluation of new 5-arylidene-(Z)-2-dimethylamino-1,3-thiazol-4-ones 4a-f, obtained by the reaction of aromatic aldehydes 1 and rhodanine 2 followed by treatment with DMF. All compounds were tested against a panel of yeasts, hialohyphomycetes, and dermatophytes u...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200900187
更新日期:2010-01-01 00:00:00
abstract::Albumin binding for the enantiomers of four closely related N-methyl-5-phenyl-5-alkyl-barbiturates 1-4 was investigated for three different mammalian species by means of equilibrium dialysis. Lipid solubility (n-heptane/phosphate buffer distribution coefficient) increased stepwise by a factor of 56 from 1 to 4. Bovine...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19963290805
更新日期:1996-08-01 00:00:00
abstract::New condensed derivatives of anpirtoline, in which the pyridine ring is replaced with quinoline, quinazoline, 7-chloroquinoline, and 7-chloroquinazoline nuclei, have been synthesized. Their receptor binding profiles (5-HT1A, 5-HT1B) and analgesic activity (hot plate, acetic acid induced writhing) have been studied. Th...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/1521-4184(200011)333:11<381::aid-ardp381>3
更新日期:2000-11-01 00:00:00
abstract::The pyrrolidino enaminones, with the carboxylic acid chain fixed at the nitrogen, inhibit cyclooxygenase more potently or selectively than 5-lipoxygenase. According to the structure-activity relationships discussed the potency depends significantly on the chain length of the carboxylic acid, the substitution pattern o...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19973300307
更新日期:1997-03-01 00:00:00
abstract::Non-steroidal anti-inflammatory drugs (NSAIDs), which are widely used for the treatment of rheumatic arthritis, pain, and many different types of inflammatory disorders, cause serious gastrointestinal (GI) side effects. The free carboxylic acid group existing on their chemical structure is correlated with GI toxicity ...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201700153
更新日期:2017-09-01 00:00:00
abstract::A new series of 1,2,4-triazolo[4,3-c]quinazoline derivatives was designed and synthesized as Topo II inhibitors and DNA intercalators. The cytotoxic effect of the new members was evaluated in vitro against a group of cancer cell lines including HCT-116, HepG-2, and MCF-7. Compounds 14c , 14d , 14e , 14e , 15b , 18b , ...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.202000237
更新日期:2020-11-23 00:00:00
abstract::3'-Azidonucleosides 4 have been synthesized by condensation of silylated (Z)-5-ethylidenehydantoin and (Z)-5-benzylidenehydantoin with methyl 3-azido-5-O-tert-butyldiphenylsilyl-2,3-dideoxy-D-erythro-pento furanoside (3). The nucleosides 4 were deblocked on treatment with tetrabutylammonium fluoride. The ethylidene gr...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19943271010
更新日期:1994-10-01 00:00:00
abstract::Cathepsin B and plasmin are intra- or extracellular proteases that are overexpressed by several solid tumors. In order to exploit both proteases as molecular targets for tumor-specific cleavage of prodrugs, an albumin-binding formulation of methotrexate was developed that incorporated the peptide sequence D-Ala-Phe-Ly...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200700025
更新日期:2007-08-01 00:00:00
abstract::Series of N-(4-substitutedphenyl)-4-(1-methyl (or 1,2-dimethyl)-4-oxo-1,2-dihydroquinazolin-3(4H)-yl)-alkanamides (5a-j) and 4-chloro-N'-((1-methyl (or 1,2-dimethyl)-4-oxo-1,2-dihydroquinazolin-3(4H)-yl)-alkaloyl)benzohydrazides (6a-f) were designed based on the previously reported essential structural features for an...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201600332
更新日期:2017-02-01 00:00:00
abstract::The synthesis of two series of derivatives containing the quinazolinone-4 moiety is described. 3-Amino-2(1H)-thioxo-4(3H)-quinazolinone (1) was subjected to reactions with halogenoketones and halogenoaldehydes, leading to the production of the corresponding ketones, aldehydes, Schiff bases, and 6-oxo-1,4,5-thiadiazin[...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19973301208
更新日期:1997-12-01 00:00:00
abstract::We report in this work the synthesis, cytotoxicity, and antimicrobial activity of ([1,2,4]triazolo[1,5-c]quinazolin-2-ylthio)carboxylic acid amides 4-7 in connection with our previous research in the preparation of triazoloquinazoline derivatives. Due to simplicity, general availability of starting materials, and high...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200900077
更新日期:2009-11-01 00:00:00
abstract::To identify new agents for the treatment of American cutaneous leishmaniasis, a series of eight 1,4-bis(substituted benzalhydrazino)phthalazines was evaluated against Leishmania braziliensis and Leishmania mexicana parasites. These compounds represent a disubstituted version of the 1-chloro-4-(monoaryl/heteroarylhydra...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201800299
更新日期:2019-06-01 00:00:00
abstract::In this study, we have explored the prevention of gastric side effects such as gastric lesions and bleeding while maintaining the high analgesic and anti-inflammatory activities by the derivatization of the carboxylate moiety into amides in [5-chloro-6-(2-chloro/fluorobenzoyl)-2-benzoxazolinone-3-yl]acetic acids. We h...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200300723
更新日期:2003-07-01 00:00:00
abstract::New condensed derivatives of anpirtoline, in which the pyridine ring is replaced with quinoline, isoquinoline, quinazoline, and phthalazine nuclei, have been synthesized. Their receptor binding profiles (5-HT1A, 5-HT1B) and analgesic activity (hot plate, acetic acid induced writhing) have been studied. The analgesic a...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/(sici)1521-4184(19996)332:6<208::aid-ardp2
更新日期:1999-06-01 00:00:00
abstract::Phosphono-analogues of glutathione containing the O = P(OR)2 moiety in place of the cysteinyl residue CH2SH 1a-1d were prepared by solution phase peptide synthesis. Benzyl, benzyloxy-carbonyl, and tert-butyl protecting groups were used to mask the individual amino acid functional groups. The formation of peptide bonds...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19963291106
更新日期:1996-11-01 00:00:00
abstract::The active form of vitamin D3, 1α,25(OH)2D3, plays a major role in maintaining calcium/phosphate homeostasis. In addition, it is a potent antiproliferative and pro-differentiating agent. Unfortunately, it usually causes hypercalcemia in vivo when effective antitumour doses are used. It has therefore been found necessa...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201400448
更新日期:2015-05-01 00:00:00
abstract::A group of racemic 3-[2-nitrooxyethyl (1,3-dinitrooxy-2-propyl or 4-nitrophenylethyl)] 5-isopropyl 1,4-dihydro-2,6-dimethyl-4-[2- trifluoromethylphenyl (2-nitrophenyl or 3-nitrophenyl)]-3,5-pyridinedicarboxylates 13-15 were prepared using the Hantzsch reaction that involved the condensation of 2-nitrooxyethyl 9a, 1,3-...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19963290105
更新日期:1996-01-01 00:00:00
abstract::The reaction of ethyl 4-(benzofuran-2-yl)-2,4-dioxobutanoate 2 with two moles of hydrazine hydrate afforded 5-(benzofuran-2-yl)-1H-pyrazole-3-carbohydrazide 4a, while its reaction with equimolar amount of phenylhydrazine gave ester 3b which then converted to 5-(benzofuran-2-yl)-1-phenyl-1H-pyrazole-3-carbohydrazide 4b...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200800119
更新日期:2008-11-01 00:00:00
abstract::The influence of RE 1492 on the storage of red blood cells (RBCs) was investigated. RE 1492 (c > or = 50 mumol/L) induces the formation of cup cells and hence delays the appearance of echinocytes and crenated spheres in the blood. A concentration of 50 mumol/L RE 1492 drops hemolysis by 50%. At this concentration afte...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19953280409
更新日期:1995-04-01 00:00:00
abstract::Novel sulfur-containing glutethimide derivatives, substituted with either thiol or methylsulfide groups in the ortho/para positions of the aromatic ring, were synthesized and tested for both human placental aromatase and bovine adrenocortical desmolase inhibitory activities. The synthesis was achieved by the chlorosul...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.19933260704
更新日期:1993-07-01 00:00:00
abstract::The synthesis and antitumor activity screening of novel isatin based conjugates with thiazolidine and pyrazoline moieties were performed. Reaction of 3,5-diaryl-4,5-dihydropyrazoles with chloroacetyl chloride yielded starting 2-chloro-1-(3,5-diaryl-4,5-dihydropyrazol-1-yl)-ethanones which were utilized in alkylation o...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201100055
更新日期:2011-08-01 00:00:00
abstract::Chemical modification of cinnoxacin was studied with the aim of improving its antibacterial activity and spectrum. A series of 4-imino-1, 4-dihydrocinnoline-3-carboxylic acid derivatives was synthesized and their in vitro antibacterial activity was evaluated. These derivatives were designed as isosteric analogues of f...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200390000
更新日期:2003-03-01 00:00:00
abstract::The photochemical stability of 2, 6, 6-trimethyl-3-carbmethoxy-4-phenyl-5-oxo-1, 4, 5, 6, 7, 8-hexahydroquinoline (HHQ) derivatives with different substituents on the phenyl ring (-Cl, -NO(2), -CF(3), -CH(3), -OCH(3)) has been studied.The process of photodegradation was studied by UV spectrophotometry. The rate of pho...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/1521-4184(200205)335:2<77::AID-ARDP77>3.0.
更新日期:2002-05-01 00:00:00
abstract::Although a few experimental approaches to isolated limb perfusion (ILP) are described in the literature, none of these animal models mimics the clinical perfusion techniques adequately to improve the technique of ILP on the basis of valid preclinical data. Therefore, we developed an ILP setup in rats allowing online m...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200400917
更新日期:2004-12-01 00:00:00
abstract::Patient-derived cell transplantation is an attractive therapy for regenerative medicine. However, this requires effective strategies to reliably differentiate patient cells into clinically useful cell types. Herein, we report the discovery that 5-nitro-5'hydroxy-indirubin-3'oxime (5'-HNIO) is a novel inducer of cell t...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201400223
更新日期:2014-11-01 00:00:00
abstract::Rapamycin, a potent antifungal antibiotic, was approved as immunosuppressant, and lately its derivatives have been developed into mTOR targeting anticancer drugs. Structure modification was performed at the C-42 position of rapamycin, and a novel series of rapamycin triazole hybrids (4a-d, 5a-e, 8a-e, and 9a-e) was fa...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.201500457
更新日期:2016-06-01 00:00:00
abstract::The effect of triterpenes and flavonoids on the activity of several hyaluronic acid-splitting enzymes was investigated. Studies showed that the inhibitory effect of the triterpenes glycyrrhizin and glycyrrhetinic acid is dependent on the source of hyaluronate lyase. Hyaluronate lyase from Streptococcus agalactiae (Hya...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200500216
更新日期:2006-06-01 00:00:00
abstract::A series of 6-chloro-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 7-chloro-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 6-bromo-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 6,8-dibromo-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 6-chloro-3-(4-alkylphenyl)-2H-1,3-ben...
journal_title:Archiv der Pharmazie
pub_type: 杂志文章
doi:10.1002/ardp.200800004
更新日期:2008-12-01 00:00:00