propanoic acid, 2-methyl-
3 (1 Phenylsulfonyl 2 methylindol 3 ylcarbonyl)propanoic acid
... molecules are joined into head-to-head dimers by hydrogen bonds involving the butyric acid groups. The centrosymmet- rically related CÐH O hydrogen bond pattern joins the head-to-head dimers into chains running ...
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3 (2 Methyl 3 methylsulfanyl 1 benzofuran 5 yl)propanoic acid
... Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97-2 (Sheldrick, 1997); program(s) used to refine structure: ...
6
Comparison of headspace–SPME and SPME-Arrow–GC–MS methods for the determination of volatile compounds in Korean salt–fermented fish sauce
... butanoic acid, butanoic acid, 2-methyl-propanoic acid, propanoic acid, acetic acid and 1-penten-3-ol were extracted using the 75 μm CAR/PDMS fiber (p < ...
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Novel glutamatergic drugs for the treatment of mood disorders
... AMPAR, 2-amino-3-(3-hydroxy-5-methyl-isoxazol-4-yl) propanoic acid receptor; PAM, positive allosteric modulator; EMQMCM, ...
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3 (6 Benzoyl 2 oxo 2,3 dihydro 2 benzothiazol 3 yl)propanoic acid
... The atom-numbering scheme of (I) is shown in Fig. 1. Selected bond lengths and angles are listed in Table 1. The lengthening of the S1ÐC14 bond distance [1.781 (4) AÊ] versus the S1ÐC10 bond distance [1.743 (4) AÊ] is ...
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3 [(3,4,5 Tribromo 1H pyrrol 2 ylcarbonyl)amino]propanoic acid
... condensation of -alanine methyl ester with 3,4,5-tribromo- 2-trichloroacetylpyrrole at room temperature, followed by saponification and acidification. In the crystal structure, intermolecular N—H O hydrogen ...
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Intermolecular hydrogen bonding in (2S) 2 (1 oxo 1H 2,3 dihydroisoindol 2 yl)propanoic acid
... phenylpropanoic acid (Brady et ...(2S)-3- methyl-2-(1-oxo-1H-2,3-dihydroisoindol-2-yl)butanoic acid, in which the ®ve-membered isoindolyl ring carbonyl C O is oriented transoid to the H ...
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rac (R) 2 [(2R,5R) 5 Methyltetrahydrofuran 2 yl]propanoic acid
... removed by evaporation in vacuo. The colourless oil obtained was dried in vacuo (0.06 mm Hg) to afford the desired acid, (Rac-II), and stored at 277 K (yield 0.51 g, 3.2 mmol, 100%). After several days, colourless ...
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3 [(4 Bromo 1 methyl 1H pyrrol 2 ylcarbonyl)amino]propanoic acid
... C1 0.0301 (16) 0.0402 (17) 0.0307 (15) 0.0162 (13) 0.0101 (12) 0.0115 (13) N1 0.0236 (13) 0.0372 (14) 0.0309 (14) 0.0057 (11) 0.0055 (10) 0.0048 (11) N2 0.0225 (13) 0.0437 (15) 0.0339 (13) 0.0065 (11) 0.0065 (10) 0.0122 ...
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Impairment of fragile X mental retardation protein-metabotropic glutamate receptor 5 signaling and its downstream cognates ras-related C3 botulinum toxin substrate 1, amyloid beta A4 precursor protein, striatal-enriched protein tyrosine phosphatase, and homer 1, in autism: a postmortem study in cerebellar vermis and superior frontal cortex
... of 2-amino-3-(5-methyl-3-oxo- 1,2- oxazol-4-yl)propanoic acid (AMPA) receptors and in- creased the amplitude of miniature excitatory postsynaptic currents, suggesting that RAC1 also enhances ...
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3 (4 Bromo 1H pyrrole 2 carboxamido)propanoic acid
... their methyl esters had been synthesized by reaction of -alanine methyl ester with 4-bromo-2-(trichloroacetyl)pyrrole or 4,5-dibromo- 2-(trichloroacetyl)pyrrole followed by saponification and ...
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3 [(4,5 Dibromo 1 methyl 1H pyrrole 2 carbonyl)amino]propanoic acid
... The hydrochloric acid salt of -alanine methyl ester (0.70 g, 5 mmol) and 4,5-dibromo-1-methyl-2-(trichloroacetyl)pyrrole (1.92 g, 5 mmol) were added to acetonitrile (12 ml), followed by the ...
6
3 (1 Methyl 1H pyrrole 2 carboxamido)propanoic acid
... sation of -alanine methyl ester with 1-methyl-2-(trichloro- acetyl)pyrrole at room temperature, followed by saponification and acidification. In the crystal structure, intermolecular N—H O and O—H O ...
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PRENYLATED BENZOIC ACID DERIVATIVES FROM PIPER SPECIES AS SOURCE OF ANTI INFECTIVE AGENTS
... A number of prenylated benzoic acids derivatives with interesting biological activities have been previously isolated and characterized from different species of piperaceae family. Several Piper species contained ...
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2 (2 Furylmethyl) 1 methyl 3 oxocyclohexanecarboxylic acid
... Marine sponges and different plants are rich sources of several furosesquiterpenes (Fraga, 1988, 1990). Linearly fused furo[2,3-b]- and furo[3,2-b]decalin systems with cis±trans ring junctions are present in compounds ...
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CHARACTERIZATION OF DIFFERENT SECONDARY METABOLITES FROM TRIMATOSTROMMA SCUTELLARE BY GC-MS.
... of sample signals, the most significant signals with high abundance are listed in Table1, 2, 3. Numerous minor peaks were observed and could not be identified. Thus saturated and unsaturated hydrocarbons, ...
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GC-MS ANALYSIS AND ANTIMICROBIAL ACTIVITY OF SUDANESE CUCURBITA PEPO (CUCURBITACEAE) FIXED OIL
... Oleic acid (9-octadecenoic acid) is a common monounsaturated fat in human ...Oleic acid finds some applications in soap industry and it is used in small amounts as excipient in pharmaceutical ...
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Synthesis And Identification 1-3 Diazepine From Ibuprofen
... cyclooxygenase(COX),which converts arachidonic acid into prostaglandin H2(PGH2). Ibuprofen is nonselective COX inhibitor, it inhibits tow isoforms of cyclooxygenase COX-1 and COX-2 (3) ibuprofen is used ...
5
Synthesis of thromboxane A2 analogues
... Potassium tert-butoxide (2.5 g, 0.022 M) and (4-carboxy- butyl)triphenylphosphonium bromide (5 g, 0.11 M) were quickly ground together and then placed in a dry two necked flask under nitrogen. Tetrahydrofuran (125 c m ...
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(2R,3S) 2 Ammonio 3 hydroxy 3 (4 nitrophenyl)propanoic acid chloride monohydrate
... Cl 0.03069 (11) 0.03544 (12) 0.03887 (13) 0.00116 (10) 0.00372 (8) −0.00215 (10) C1 0.0319 (4) 0.0221 (3) 0.0267 (4) 0.0005 (3) 0.0084 (3) 0.0022 (3) C2 0.0281 (3) 0.0200 (3) 0.0249 (3) −0.0009 (3) 0.0083 (3) 0.0000 ...
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