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1,2-Naphthoquinone or '''ortho-naphthoquinone''' is a polycyclic aromatic organic compound with formula . It is classified as a 1,2-diketone as well as an ortho-quinone. More specifically, it is one of several naphthoquinones.

chemical compound

chemical compound

Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays. It is a derivative of benzophenone. It is a yellow powder with a melting point of 68 °C. It is insoluble in water, but moderately soluble in ethanol and isopropanol.

'''N-Methylphenethylamine (NMPEA''') is a naturally occurring trace amine neuromodulator in humans that is derived from the trace amine, phenethylamine (PEA). It has been detected in human urine (<1&nbsp;μg over 24&nbsp;hours) and is produced by phenylethanolamine N-methyltransferase with phenethylamine as a substrate, which significantly increases PEA's effects. PEA breaks down into phenylacetaldehyde which is further broken down into phenylacetic acid by monoamine oxidase. When this is inhibited by monoamine oxidase inhibitors, it allows more of the PEA to remain present and produce psychoac

Famoxadone is a fungicide to protect agricultural products against various fungal diseases on fruiting vegetables, tomatoes, potatoes, curcurbits, lettuce and grapes. It is used in combination with cymoxanil. Famoxadone is a QI, albeit with a chemistry different from most QIs. (It is an oxazolidine-dione while most are strobilurins.) It is commonly used against Plasmopara viticola, Alternaria solani, Phytophthora infestans, and Septoria nodorum.

chemical compound

chemical compound

Nonoxynols, also known as nonylphenol ethoxylates (NPEs), are a group of nonionic surfactants within the alkyl phenol ethoxylate superfamily. Alkyl phenol ethoxylates (APEs, APEO) have the chemical formula (1&nbsp;<&nbsp;n&nbsp;<&nbsp;20). Nonoxynols are the subfamily of APEs with R&nbsp;=&nbsp;iso- (iso-nonyl). Like almost all APEs, nonoxynols are colorless (or nearly so) oils. Nonoxynols are used as detergents, emulsifiers, wetting agents or defoaming agents. The most commonly discussed compound nonoxynol-9 is a spermicide, formulated primarily as a component of vaginal foams and creams. Non

anionic polysaccharide produced by bacteria

Chelerythrine is a benzophenanthridine alkaloid present in the plant Chelidonium majus (greater celandine). It is a potent, selective, and cell-permeable protein kinase C inhibitor in vitro. And an efficacious antagonist of G-protein-coupled CB1 receptors. This molecule also exhibits anticancer qualities and it has served as a base for many potential novel drugs against cancer. Structurally, this molecule has two distinct conformations, one being a positively charged iminium form, and the other being an uncharged form, a pseudo-base.

Diethylhydroxylamine (DEHA) is an organic compound with the formula (C2H5)2NOH. Strictly, this is N,N-diethylhydroxylamine. It has an isomer, N,O-diethylhydroxylamine with the formula EtNHOEt. Pure N,N-diethylhydroxylamine is a colorless liquid, although it is usually encountered as a colourless-to-yellow solution in water with an amine-like odor.

Phenoperidine (Operidine or Lealgin), is an opioid analgesic which is structurally related to pethidine and is used clinically as a general anesthetic.

chemical compound

Homoeriodictyol is a bitter-masking flavanone extracted from Yerba Santa (Eriodictyon californicum) a plant growing in America.

Aminopterin (or 4-aminopteroic acid), the 4–amino derivative of folic acid, is an antineoplastic drug with immunosuppressive properties often used in chemotherapy. Aminopterin is a synthetic derivative of pterin. Aminopterin works as an enzyme inhibitor by competing for the folate binding site of the enzyme dihydrofolate reductase. Its binding affinity for dihydrofolate reductase effectively blocks tetrahydrofolate synthesis. This results in the depletion of nucleotide precursors and inhibition of DNA, RNA, and protein synthesis.

'''m-Anisidine''' is an organic compound with the formula CH3OC6H4NH2. A clear light yellow or amber color liquid, commercial samples can appear brown owing to air oxidation. It is one of three isomers of the methoxy-containing aniline derivative.

chemical compound

Bourgeonal (also known as cyclamen propanal) is an aromatic aldehyde used in perfumery. It has a fragrance reminiscent of lily of the valley, otherwise described as floral, watery, green, and aldehydic. It is a pale yellow liquid at room temperature.

'''N,O-Dimethylhydroxylamine''' is a methylated hydroxylamine used to form so called 'Weinreb amides' for use in the Weinreb ketone synthesis. It is commercially available as its hydrochloride salt.

chemical compound

chemical compound

Solketal is a protected form of glycerol with an isopropylidene acetal group joining two neighboring hydroxyl groups. Solketal contains a chiral center on the center carbon of the glycerol backbone, and so can be purchased as either the racemate or as one of the two enantiomers. Solketal has been used extensively in the synthesis of mono-, di- and triglycerides by ester bond formation. The free hydroxyl group of solketal can be esterified with a carboxylic acid to form the protected monoglyceride. The isopropylene group can then be removed using an acid catalyst in aqueous or alcoholic medium.

4-HO-DiPT, also known as '4-hydroxy-N,N-diisopropyltryptamine or as iprocin', is a psychedelic drug of the tryptamine and 4-hydroxytryptamine families related to psilocin (4-HO-DMT). It is taken orally. The drug has an unusually fast onset, short duration, and narrow dose range. Among orally administered psychedelics, it is one of the shortest-acting compounds known.

Flavone is an organic compound with the formula . A white solid, flavone is a derivative of chromone with a phenyl (Ph) substituent adjacent to the ether group. The compound is of little direct practical importance, but substituted derivatives, the flavones and flavonoids are a large class of nutritionally important natural products. Flavone can be prepared in the laboratory by cyclization of 2-hydroxacetophenone. Isomeric with flavone is isoflavone, where the phenyl group is adjacent to the ketone.

azo dye

chemical compound

17α-Hydroxypregnenolone is a pregnane (C21) steroid that is obtained by hydroxylation of pregnenolone at the C17α position. This step is performed by the mitochondrial cytochrome P450 enzyme 17α-hydroxylase (CYP17A1) that is present in the adrenal and gonads. Peak levels are reached in humans at the end of puberty and then decline. High levels are also achieved during pregnancy. It is also a known neuromodulator.

chemical compound

chemical compound

Methedrone ('''para-methoxymethcathinone, 4-methoxymethcathinone, bk-PMMA, PMMC, methoxyphedrine, 4-MeOMC') is a recreational drug of the cathinone chemical class. Chemically, methedrone is closely related to para''-methoxymethamphetamine (PMMA), methylone and mephedrone. Methedrone received media attention in 2009 after the death of two young Swedish men. In both cases toxicology analysis showed methedrone was the only drug present in both men during the time of their overdose and subsequent deaths.

Metribolone (developmental code R1881, also known as methyltrienolone) is a synthetic and orally active anabolic–androgenic steroid (AAS) and a 17α-alkylated nandrolone (19-nortestosterone) derivative which was never marketed for medical use but has been widely used in scientific research as a hot ligand in androgen receptor (AR) ligand binding assays (LBAs) and as a photoaffinity label for the AR. More precisely, metribolone is the 17α-methylated derivative of trenbolone. It was investigated briefly for the treatment of advanced breast cancer in women in the late 1960s and early 1970s, but wa

chemical compound

chemical compound

Tris((1-benzyl-4-triazolyl)methyl)amine (TBTA) is a tertiary amine containing the 1,2,3-triazole moiety. When used as a ligand, complexed to copper(I), it allows for quantitative, regioselective formal Huisgen 1,3-dipolar cycloadditions between alkynes and azides, in a variety of aqueous and organic solvents.

Fenoprop, also called 2,4,5-TP, is the organic compound 2-(2,4,5-trichlorophenoxy)propionic acid. It is a phenoxy herbicide and a plant growth regulator, an analog of 2,4,5-T in which the latter's acetic acid sidechain is replaced with a propionate group (with an extra CH3). The addition of this extra methyl group creates a chiral centre in the molecule and useful biological activity is found only in the (2R)-isomer. The compound's mechanism of action is to mimic the auxin growth hormone indoleacetic acid (IAA). When sprayed on plants it induces rapid, uncontrolled growth. As with 2,4,5-T, fen

chemical compound

The quinoline derivative diiodohydroxyquinoline (INN), or iodoquinol (USAN), brand name Diodoquin, can be used in the treatment of amoebiasis.

8-Chlorotheophylline, also known as 1,3-dimethyl-8-chloroxanthine, is a stimulant drug of the xanthine chemical class, with physiological effects similar to caffeine. Its main use is in combination (salt) with diphenhydramine in the antiemetic dimenhydrinate (Dramamine). Diphenhydramine reduces nausea but causes drowsiness, and the stimulant properties of 8-Chlorotheophylline help reduce that side effect.

Thonzylamine (or neohetramine) is an antihistamine and anticholinergic used as an antipruritic. ==Synthesis== thumb|center|400px|Thonzylamine synthesis: H. L. Friedman and A, V. Tolstouhov, (1949).

Ataluren, sold under the brand name Translarna, is a medication for the treatment of Duchenne muscular dystrophy. It was designed by PTC Therapeutics.

chemical compound

chemical compound

ENU, also known as N-ethyl-N-nitrosourea (chemical formula C3H7N3O2), is a highly potent mutagen. For a given gene in mice, ENU can induce 1 new mutation in every 700 loci. It is also toxic at high doses.

Grignard reagent

Isovaleramide is an organic compound with the formula (CH3)2CHCH2C(O)NH2. The amide derived from isovaleric acid, it is a colourless solid.

Ribostamycin is an aminoglycoside-aminocyclitol antibiotic isolated from a streptomycete, Streptomyces ribosidificus, originally identified in a soil sample from Tsu City of Mie Prefecture in Japan. It is made up of 3 ring subunits: 2-deoxystreptamine (DOS), neosamine C, and ribose. Ribostamycin, along with other aminoglycosides with the DOS subunit, is an important broad-spectrum antibiotic with important use against human immunodeficiency virus and is considered a critically important antimicrobial by the World Health Organization., Resistance against aminoglycoside antibiotics, such as ribo

chemical compound

chemical compound

chemical compound

Cefozopran (INN) is a fourth-generation cephalosporin.

Prulifloxacin is an older synthetic antibiotic of the fluoroquinolone class undergoing clinical trials prior to a possible NDA (New Drug Application) submission to the U.S. Food and Drug Administration (FDA). It is a prodrug which is metabolized in the body to the active compound ulifloxacin. It was developed over two decades ago by Nippon Shinyaku Co. and was patented in Japan in 1987 and in the United States in 1989.

chemical compound

chemical compound

chemical compound

Bicuculline is a phthalide-isoquinoline compound that is a light-sensitive competitive antagonist of GABAA receptors. It was originally identified in 1932 in plant alkaloid extracts and has been isolated from Dicentra cucullaria, Adlumia fungosa, and several Corydalis species (all in subfamily Fumarioideae, previously known as family Fumariaceae). Since it blocks the inhibitory action of GABA receptors, the action of bicuculline mimics epilepsy; it also causes convulsions. This property is utilized in laboratories around the world in the in vitro study of epilepsy, generally in hippocampal or

Timiperone, sold under the brand name Tolopelon, is a typical antipsychotic of the butyrophenone class which is marketed in Japan for the treatment of schizophrenia. It is similar in chemical structure to benperidol, but has a thiourea group instead of a urea group. It acts as an antagonist for the D2 and 5-HT2A receptors.

red fluorescent dye

Fenamidone is a foliar fungicide used on grapes, ornamentals, potatoes, tobacco, and vegetables such as tomatoes. It exerts its fungicidal effects by acting as a Qo inhibitor.