Saturday, March 31, 2012

The Presentation of Fluperlapine


The antagonists of the subtype (NMDA) glutamate receptor (eg, phencyclidine, ketamine, MK-801) cause a schizophrenic psychosis as in humans and neurotoxicity in the adult rat brain. We report here that agents and structurally related clozapine (olanzapine, fluperlapine, loxapine, amoxapine) can prevent NMDA antagonist neurotoxicity in rats with a rank order corresponding to their ability to mimic the antipsychotic properties of clozapine.
Fluperlapine also known as fluoroperlapine, is an atypical antipsychotic with additional tricyclic antidepressants and sedative effects. It was first synthesized in 1979 and then studied in animals and humans in 1984 and beyond, but still demonstrate efficacy in the treatment of a variety of medical conditions, including schizophrenia, psychosis associated with Parkinson's disease  depressive symptoms, and dystonia, , it was never marketed. This was perhaps due to its production capacity potentially fatal agranulocytosis, even to clozapine,  which it closely resembles both structurally and pharmacologically.
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Friday, March 30, 2012

The description of 2,6-Dichloronicotinicacid


Product name: 2,6-Dichloronicotinicacid
An efficient and practical preparation of methyl ketones, via a magnesium chloride catalysed acylation reaction of dimethyl malonate with acid chlorides in the presence of tertiary base and followed by a decarbmethoxylation reaction, is described.Visit ChemicalBook To find more 2,6-Dichloronicotinic acid(38496-18-3) information like chemical properties,Structure,melting point,boiling point,density
Systematic name:2,6-Dichloronicotinic acid
CAS:57381-49-4
Molecular Formula:C6H3NO2Cl2
Molecular Weight:192.00132
Description:2,6-Dichlornicotins?ure; 2,6-Dichloronicotinic Acid; 2,6-Dichloropyridine-3-carboxylic acid; 3-Pyridinecarboxylic acid, 2,6-dichloro-; Acide 2,6-dichloronicotinique
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Thursday, March 29, 2012

The description of (-)-Camphoricacid


(-)-Camphoricacid ; (1S,3R)-()-Camphoric acid; (1S,3R)-1,2,2-trimethylcyclopentane-1,3-dicarboxylic acid
Camphoric acid, C10H16O4 or in Latin form Acidum camphoricum, is a white crystallisable substance obtained from the oxidation of camphor, it exists in three optically different forms; dextrorotatory one is obtained by the oxidation of dextrorotatory camphor and used in pharmaceuticals.
Camphoric acid may be prepared by oxidising camphor with nitric acid.
This acid has a mild camphor action; it is not very toxic and can be used in very large doses, up to 4 grams (60 grains), without serious effects; it is supposed to paralyse the nerve-endings in the sweat glands, and is used in the night-sweats of tuberculosis.[citation needed] It does not affect other secretions as does atropine, nor irritate the stomach like agaric acid. Camphoric acid is also employed in solution, 0.2 to 5.0 percent by weight or volume, with sufficient alcohol, as a local antiseptic to the nose, throat and bladder, among other uses, is usually administered as a powder, or in cachets, but may also be given in mixtures suspended with compound powder of tragacanth, or dissolved by the addition of diluted alcohol or a flavouring tincture. When used as an antihydrotic the dose should be given two or three hours before bedtime.
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Wednesday, March 28, 2012

The description of Rofecoxib


Rofecoxib was available on prescription as tablets and as an oral suspension. It was available by injection for hospital use.Rofecoxib  is a nonsteroidal anti-inflammatory drug (NSAID) that has now been withdrawn over safety concerns. It was marketed by Merck & Co. to treat osteoarthritis, acute pain conditions, and dysmenorrhoea. Rofecoxib was approved by the Food and Drug Administration (FDA) on May 20, 1999, and was marketed under the brand names Vioxx, Ceoxx, and Ceeoxx.
Rofecoxib gained widespread acceptance among physicians treating patients with arthritis and other conditions causing chronic or acute pain. Worldwide, over 80 million people were prescribed rofecoxib at some time.
On September 30, 2004, Merck voluntarily withdrew rofecoxib from the market

because of concerns about increased risk of heart attack and stroke associated with long-term, high-dosage use. Merck withdrew the drug after disclosures that it withheld information about rofecoxib's risks from doctors and patients for over five years, resulting in between 88,000 and 140,000 cases of serious heart disease. Rofecoxib was one of the most widely used drugs ever to be withdrawn from the market. In the year before withdrawal, Merck had sales revenue of US$2.5 billion from Vioxx.
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Tuesday, March 27, 2012

Product name:4-Chloro-7-nitroquinazoline
Coupling of chloroquinazoline (I) with 3-bromoaniline (II) in refluxing isopropanol yielded anilinoquinazoline (III). The nitro group was then reduced with Fe dust. Visit ChemicalBook To find more 4-CHLORO-7-NITROQUINAZOLINE(19815-17-9) information like chemical properties,Structure,melting point,boiling point .4-Chloro-7-nitroquinazoline 19815-17-9 -

Buyers Guide for Chemicals is a directory of chemicals, chemical suppliers and producers. Chemical name:4-CHLORO-7-NITROQUINAZOLINE ;physical and chemical property of 19815-17-9, 4-CHLORO-7-NITROQUINAZOLINESynonym(s):AKOS 91177;Quinazoline, 4-chloro-7-nitro- Molecular Formula:C8H4ClN3O2
Molecular Weight:209.58926
Description:AKOS 91177; Quinazoline, 4-chloro-7-nitro-
CAS NO:19815-17-9;
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Monday, March 26, 2012

The Presentation of Icaridin


Icaridine was reported to be as effective as DEET without the irritation associated with DEET.According to WHO, icaridine "demonstrates excellent repellent properties comparable and often superior to those of the standard DEET." In the U.S., the Centers for Disease Control and Prevention recommend using repellents on the basis of icaridine, DEET, or oil of lemon eucalyptus (which may require more applications [4]), for effective protection against mosquitoes carrying the West Nile virus, Eastern equine encephalitis and other diseases.
The name picaridin was proposed as an International Nonproprietary Name (INN) from the World Health Organization (WHO), but the official name that was approved by the WHO is icaridine. The compound was developed by German chemical company Bayer was named Bayrepel.

   In 2005, Lanxess AG and its subsidiary Saltigo GmbH was created from Bayer and the product was renamed Saltidin 2008.Icaridin, also known as Picaridin, KBR 3023, under the INCI name hydroxyethyl isobutyl piperidine carboxylate, and trade names and Bayrepel Saltidin, is an insect repellent. He has broad efficacy against different insects and it is almost colorless and odorless.
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Friday, March 23, 2012

The Presentation of Kojicacid


Kojicacid has taken the skin care industry by storm as being the natural alternative for skin lightening. Find out which products are best.Kojic acidis a chelation agent produced by several species of fungi, especially Aspergillus oryzae, which has the Japanese common name koji.

Kojicacid  is a by-product in the fermentation process of malting rice, for use in the manufacturing of sake, the Japanese rice wine.[citation needed] It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It is used on cut fruits to prevent oxidative browning, in seafood to preserve pink and red colors, and in cosmetics to lighten skin. Kojic acid also has antibacterial and antifungal properties.
It is also used in skin diseases like melasma.
Kojicacid  is a product primarily used to whiten a person’s skin. Many consumers use products containing this acid to lighten freckles and other dark spots on the skin. Although mainly used for cosmetic purposes, it also has other purposes such as preserving food color and killing certain bacteria. When used on the skin, it reduces the amount of melanin production.
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Thursday, March 22, 2012

The description of 4-Amino-5-(ethylsulfonyl)-2-methoxybenzoicacid


Product Name:4-Amino-5-(ethylsulfonyl)-2-methoxybenzoicacid
Molecular Formula:C10H13NO5S
Molecular Weight:259.27692
Description:2-methoxyl-4-amino-5-ethylsulfonylbenzoic acid; 4-Amino-5-ethylsulfonyl-2-methoxybenzoic acid
CAS No.: 71675-87-1
Other Names: 4-Amino-5-ethylsulfonyl-2-methoxybenzoic acid
Apperance:White or offwhite crystalline powde
Place of Origin: shan dong China (Mainland)
Packing:25kg/drum
Specifications
1.Usage :Amisulpride Intermediate
2.Cas NO:71675-87-1
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Wednesday, March 21, 2012

The information of Equol


Equol is an isoflavandiol metabolized from daidzein, a type of isoflavone, by bacterial flora in the intestines. While endogenous estrogenic hormones such as estradiol are steroids, equol is a nonsteroidal estrogen. However, only about 30-50% of people have intestinal bacteria that make equol. Equol may have beneficial effects on the incidence of prostate cancer, bone health skin health and physiological changes during menopause, including reducing severity and frequency of hot flashes and stiffness in the neck and shoulder. [8] Other benefits may be realized in treating male pattern baldness, acne, and other problems because it functions as a DHT blocker. Equol is a compound that can exist in two forms, known as the diastereoisomers S-equol and R-equol,[10] which means the compounds mirror each other, just as a person's left hand mirrors the right. S-equol preferentially activates estrogen receptor type β.
Equol; 7,4'-Isoflavandiol; CCRIS 9222; S-Equol; (S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol; 3,4-Dihydro-3-(4-hydroxyphenyl)-(S)-2H-1-benzopyran-7-ol; (3S)-3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol; 3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol
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Tuesday, March 20, 2012

The decription of 4-(2-Pyridyl)aniline


Product Name:4-(2-Pyridyl)aniline
Synonyms: 2-(4-Aminophenyl)pyridine
There are two molecules in the asymmetric unit of the title compound, C11H9ClN2, with dihedral angles of 41.84 (12) and 49.24 (12)° between the aromatic ring planes. The two molecules form a dimer via a pair of N-HN hydrogen bonds.The title compound, C13H14N4, adopts a trans configuration about the azo bond. There is a dihedral angle of 12.18 (7)° between the pyridine and benzene rings and the mean plane of the dimethyl­amino substituent is twisted by 6.1 (2)° relative to the benzene ring. In the crystal, weak inter­molecular C—HN hydrogen bonds result in a zigzag arrangement along [010].2-Chloropyrazine (0.11 g, 0.1 mmol) and 4-chloroaniline (0.13 g, 0.1 mmol) were heated at 423–433 K for 5 h. The mixture was cooled and dissolved in water. The solution was extracted with ether. The ether extract was dried over sodium sulfate and the solvent evaporated to yield a dark brown compound. Colourless rods of (I) were separated manually.
Molecular Formula: C11H10N2
Molecular Weight : 170.21
CAS Registry Number : 18471-73-3
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Monday, March 19, 2012

The decription of 2-Bromo-dibenzofuran


Description:2-Bromodibenzofuran; NSC 1735
This report provides general information on2-Bromo-dibenzofuran
The lithiation of troticene was studied. Monolithiation of troticene at 0°C preferentially occurred at the cycloheptatrienyl (Cht) ligand,1,2 while monolithiation at room temperature preferentially occurred at the cyclopentadienyl (Cp) ligand. Dimethylsilyl-, trimethylstannyl-, diphenylphosphino-, and trimethylsilyl-derivatives were prepared in this manner. The monolithio-cycloheptatrienyl-troticene was found to be less stable at higher temperatures than the monolithio-cyclopentadienyl-troticene. Dilithiation of troticene was readily achieved using 2.5 equiv. n-butyllithium/TMEDA,3 and using an even greater excess of lithiating agent led to greater degrees of lithiation of up to 4 lithiums. Disubstituted Cp ligands are predominantly 1,3-disubstituted, while disubstituted Cht ligands are predominantly 1,4-disubstituted. Substituted troticene derivatives were also lithiated. Just like the 1-pot polylithiation, disubstituted Cp ligands are predominantly 1,3-disubstituted. However, disubstituted Cht ligands are either 1,4- or 1,3-disubstituted.
We recently reported that 3,3-dimethyl-3H-benzofuro[3,2,f][1]-benzopyran and its hydrogenated analogue are selective in vitro inhibitors of mycobacterial growth. However, their lack of in vivo activity on a murine model of Mycobacterium tuberculosis infection due to their poor bioavailability led to a structure–activity relationship investigation. We wish to report here the preparation of some structural analogues along with their biological effect on the growth of Mycobacterium smegmatis, M. tuberculosis, as well as on VERO cells for the most active compound.
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Friday, March 16, 2012

The decription of 3-Dimethylcarbamoyloxypyridine


Product name:3-Dimethylcarbamoyloxypyridine

CAS:101-26-8

Molecular Formula:C9H13N2O2Br

Molecular Weight:261.11842

Description:3-dimethylcarbamoyloxy-1-methylpyridinium bromide; Pyridostigmine Bromine

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Thursday, March 15, 2012

The information of 5-Nitro-3-bromoindazole

Product Name:5-Nitro-3-bromoindazole 
Synonyms: 3-BROMO-5-NITRO (1H)INDAZOLE;5-NITRO-3-BROMOINDAZOLE;3-BROMO-5-NITROINDAZOLE.
 CAS:67400-25-3
 Molecular Formula:C7H4N3O2Br
 Molecular Weight:242.03166
Description:1H-indazole, 3-bromo-5-nitro-; 3-Bromo-5-nitro-1H-indazol ChemSpider ID: 555963
Monoisotopic mass: 240.948685 Da Systematic name
 3-Bromo-5-nitro-2H-indazole is Pharmaceutical intermediates
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The information of Z-L-T-Butylglycine


Product name:Z-L-t-butylglycine
English synonyms of TLE Z-hydroxy-, Z-axis (TBU) glycine - OH;: ZL-tert-leucine;  the ZLT company butylglycine acid, alpha-N-carbobenzoxy-L - Alpha - the T-butylglycine 
CAS:62965-10-0
Molecular Formula:C14H19NO4
Molecular Weight:265.305
Description:L-valine, 3-methyl-N-[(phenylmethoxy)carbonyl]-; N-[(Benzyloxy)carbonyl]-3-methyl-L-valine
CAS NO.: 62965-10-0
Grade:
Regulation / Hazardous:
Storage condition: Keep at RT.
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Thursday, March 1, 2012

XST Information

XST

Product name: XST
Circulation and transfer of clean,chemically non-aggressive water and liquids.Water supply,lrrigation.Water circulation in air conditioning systems.
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