[PDF] Top 20 Straightforward synthesis of 2 and 2,8 substituted tetracenes
Has 10000 "Straightforward synthesis of 2 and 2,8 substituted tetracenes" found on our website. Below are the top 20 most common "Straightforward synthesis of 2 and 2,8 substituted tetracenes".
Straightforward synthesis of 2 and 2,8 substituted tetracenes
... [8] We could identify the closure of a 2,5-dibenzyl-3,6-diformyl-thieno[3,2-b]thiophene under acid catalysis to a 6,6,5,5,6,6 ring system in undisclosed yield as one near analogue: (a) J. Il Park, E. J. Jung, S. ... See full document
8
SYNTHESIS AND INVESTIGATION OF BIOLOGICAL PROPERTIES OF THE 2 SUBSTITUTED BENZIMIDAZOLE DERIVATIVES
... The antimicrobial activities of MCB, MNB, and MHB were analyzed against seven bacterial strains including both gram-positive and gram-negative bacteria, and the susceptibility pattern were assessed by Mueller-Hinton agar ... See full document
11
Synthesis of pharmacologically active 2- phenyl sulpha/substituted Indoles
... The 2-aryl indole moiety is present in diverse biologically active molecules displaying antiestrogen [8], anti-inflammatory [9, 10] and cytoxic properties ... See full document
5
Synthesis, characterization of 2-substituted benzimidazole derivatives and evaluation of antimicrobial activity
... In a 250ml beaker, 2-mercapto benzimidazole (0.75g, 5mmol) in dry N, N-dimethylformamide (8ml) was added to a solution of sodium (0.12g, 5 mmol) in dry methanol (2.5ml). After 10 min of stirring at room ... See full document
5
MULTICOMPONENT SYNTHESIS AND CHARACTERIZATION OF NEW 2 SUBSTITUTED DERIVATIVES OF 3 AMINO 4 IMINO 8 NITRO 2H PYRAZOLO [3,4 e]PYRIMIDO[2,3 b][1,3]BENZOTHIAZOLE
... 1) Synthesis of 3-amino-4-imino-8-nitro-2H-pyrazolo[3,4-e]pyrimido[2,3-b][1,3] benzothiazole (a): A mixture of 2-Amino-6-nitro benzothiazole ... See full document
6
SYNTHESIS AND EVALUATION OF ANTIMICROBIAL ACTIVITY OF SOME 2-SUBSTITUTED BENZIMIDAZOLES
... The antimicrobial activity was evaluated by tube-dilution method. It depends upon the inhibition of growth of a microbial culture in a uniform solution of antibiotic in fluid media that is favourable to its rapid growth ... See full document
6
Synthesis and evaluation of 2-substituted thiadiazole Schiff bases
... Thiadiazoles constitute a class of heteroaromatic compound containing two heteroatoms (sulphur and nitrogen). The structural moiety is found in natural products and an essential skeleton in medicinal compounds .1, 3, 4 ... See full document
9
Synthesis and thermoelectric properties of 2 and 2,8 substituted tetrathiotetracenes
... easily achieved for directly precipitated samples of 1a-h, whose spectroscopic properties are entirely consistent with the proposed structures. Only traces of non-volatile inorganic by- products remain for such ... See full document
11
“C. Limon Catalyzed Heterocyclisation: Microwave Assisted Rapid One Step Synthesis of Substituted 2-aryl benzoxazoles” by Bhagyashri. A. Lole, Pravina B. Piste, India.
... the synthesis of 2-aryl benzoxazoles under microwave irradiation condition were ...for synthesis. As lemon juice provides acidic condition pH 2-3 and percentage of citric acid 5-7% is more, ... See full document
5
SYNTHESIS, ANTIMICROBIAL AND ANTIFUNGAL ACTIVITY OF NOVEL PYRAZOLINES DERIVATIVES
... The scientific and traditional interests of pyrazolines [1] have been reported for their biological and pharmacological efficiency. Different types of pyrazoline derivatives have been reported as antimicrobial [2] ... See full document
6
Synthesis of 2-substituted isonicotinoyl chlorides in a regioselective manner
... attention 2 . In particular, introduction of substituents in the C-2 position of pyridines, quinolines and related six-membered nitrogenous heterocycles is an important strategy in heterocyclic ... See full document
11
The synthesis of 3 substituted 2 (nitromethylene) piperidines
... 5-A za-l-m ethoxycarbonyl-l-m ethyl-4-oxo-spiro [2.5] octane [3-29] ( l . l g , 5.58mmol) was dissolved in dry methylene chloride (20ml) and ad d ed to a solution o f triethyloxonium tetrafluoroborate (2.5g, 13.3mmol) in ... See full document
154
Synthesis and antimicrobial activity of some new 2,3 disubstituted quinazoline 4(3H) ones derivatives
... Variously substituted quinazolin-4(3H)-one derivatives3-14 were prepared according to Scheme ...1. 2-methyl-4H-3,1- benzoxazin-4-one 1 is a well identified compound that conventionally synthesized via ... See full document
5
SYNTHESIS AND ANTHELMINTIC ACTIVITY OF 3-(2-HYDRAZINO BENZOTHIAZOLES)-SUBSTITUTED INDOLE-2-ONE
... The synthesized compounds by scheme I were screened for antheminitic activity by using earthworms. Six Indian adult earth worms (Pheretima Postama) of nearly equal size 5-8 cm in length and 0.2-0.3 cm in width ... See full document
5
DESIGN AND SYNTHESIS OF 1, 2, 4 – TRIAZOLE SUBSTITUTED THIOPHENES
... General Procedure: A suspension of dry compounds (3a-3e) (0.01mol), hydrazine hydrate (5mL) and absolute ethanol (30mL) was stirred under gentle reflux. The solid dissolved within 10 min with copious evolution of ... See full document
7
Synthesis of highly substituted 2-spiropiperidines
... generated 2-spiropiperidines in moderate to good yields, and in examples 11h, 11i, 11k and 11p these were higher yields than for the two-pot ...procedure. 2- Spiropiperidines 11t, 11u, 11v, 11w and 11x ... See full document
14
A straightforward metal free synthesis of 2 substituted thiazolines in air
... antibiotics, 2 anticarcinogens, 3 anti-inflammatories 4 and ...reaction, 8 cyclopropanation, 9 Henry reaction 10 and C-P bond 11 ...a straightforward and inexpensive methodology to synthesise these ... See full document
6
MICROWAVE MEDIATED SYNTHESIS OF PHARMACOLOGICAL ACTIVE SUBSTITUTED DERIVATIVES OF 2 (4/ PHENOTHIAZINYL PYRAZOLYL) PYRROLES
... material 2-[4 / -hydroxy benz-1 / -(propene-1 // -one)]Pyrrole 2 was prepared by the reaction of 2-acetyl pyrrole with 4-hydroxy benzaldehyde in presence of 40 % NaOH which on treatment with ... See full document
10
Synthesis, QSAR and hypoglycemic activity of substituted 2, 4 thiazolidinediones
... The insulin-sensitizing thiazolidindiones (TZDs), which are selective ligands of the nuclear transcription factor peroxisome proliferator activated receptor γ-(PPARγ), are the first drugs to address the basic problem of ... See full document
10
Synthesis and biological investigation of novel 1,3 di(substituted azol) 2 (substituted hetrocycles (substituted aryl)methylene)propane 1,3 dione derivatives as antifungal agents
... To a solution of the Diethyl 2-substituted benzylidene malonate (8.1 mmol) in water (25 ml) was added the respective secondary amine (6 mmol) at the presence or absence of acetic acid (0.1 ml) and the ... See full document
8
Related subjects