3,4-Diaminobenzoicacid
3,4-Diaminobenzoicacid structure
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Common Name | 3,4-Diaminobenzoicacid | ||
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| CAS Number | 619-05-6 | Molecular Weight | 152.151 | |
| Density | 1.4±0.1 g/cm3 | Boiling Point | 411.8±35.0 °C at 760 mmHg | |
| Molecular Formula | C7H8N2O2 | Melting Point | 208-210 °C (dec.)(lit.) | |
| MSDS | Chinese USA | Flash Point | 202.9±25.9 °C | |
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Synthesis of lucifensin by native chemical ligation and characteristics of its isomer having different disulfide bridge pattern.
J. Pept. Sci. 20(9) , 725-35, (2014) The antimicrobial 40-amino-acid-peptide lucifensin was synthesized by native chemical ligation (NCL) using N-acylbenzimidazolinone (Nbz) as a linker group. NCL is a method in which a peptide bond between two discreet peptide chains is created. This method has... |
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Reducing the alkali cation adductions of oligonucleotides using sol-gel-assisted laser desorption/ionization mass spectrometry.
Anal. Chem. 75(16) , 4223-8, (2003) The alkali cation adductions of oligonucleotides dramatically degrade MALDI mass spectra and even affect the detection limit. Desalting is generally involved in MALDI sample preparation. This work demonstrates the feasibility of using 3,4-diaminobenzoic acid ... |
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Clinical laboratory differentiation of Legionellaceae family members with pigment production and fluorescence on media supplemented with aromatic substrates.
J. Clin. Microbiol. 19(5) , 583-7, (1984) A systematic study of pigment production (browning) and fluorescence (extracellular yellow-green and intracellular blue-white) by nine Legionellaceae species was performed. A total of 56 strains representing Tatlockia micdadei (Pittsburgh pneumonia agent), Le... |
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Synthesis and biological activity of certain alkyl 5-(alkoxycarbonyl)-1H-benzimidazole-2-carbamates and related derivatives: a new class of potential antineoplastic and antifilarial agents.
J. Med. Chem. 35 , 539, (1992) A series of methyl and ethyl 5-(alkoxycarbonyl)-1H-benzimidazole-2-carbamates (7-19) and methyl 5-carbamoyl-1H-benzimidazole-2-carbamates (24-34) have been synthesized via the reaction of an appropriate alcohol or amine with the acid chloride derivatives 6a o... |
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A reversible protection strategy to improve Fmoc-SPPS of peptide thioesters by the N-Acylurea approach.
ChemBioChem. 12(16) , 2488-94, (2011) C-terminal peptide thioesters are an essential component of the native chemical ligation approach for the preparation of fully or semisynthetic proteins. However, the efficient generation of C-terminal thioesters by Fmoc solid-phase peptide synthesis remains ... |
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Vibrational spectra and quantum chemical calculations of 3,4-diaminobenzoic acid.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 70(2) , 376-83, (2008) The Fourier Transform Raman and Fourier Transform infrared spectra of 3,4-diaminobenzoic acid (3,4-DABA) were recorded in the solid phase. Geometry optimizations were done without any constraint and harmonic-vibrational wave numbers and several thermodynamic ... |
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Differentiation and melanin production in hyaline and pigmented strains of Microdochium bolleyi.
Antonie van Leeuwenhoek 50(1) , 53-62, (1984) The effect of various compounds on growth, melanin biosynthesis and cell differentiation was studied in a hyaline (SH25) and a pigmented (SH25B) strain of Microdochium bolleyi. Dark pigment production by the hyaline strain was induced by the presence of DOPA ... |
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(99m)Tc complexes with activated ester functions; ligands comprising a 3,4-diamino-benzoate backbone.
Nucl. Med. Biol. 33(3) , 381-90, (2006) Preformed (99m)Tc chelates with an activated ester function are useful for the gentle labeling of proteins (precomplexation route). In this context, new heterobifunctional ligands derived from 2,3,5,6-tetrafluorophenyl (TFP) 3,4-diamino-benzoates (OC1, OC3, O... |
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Synthesis, spectral, thermal and thermodynamic studies of oxovanadium(IV) complexes of Schiff bases derived from 3,4-diaminobenzoic acid with salicylaldehyde derivatives.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 107 , 145-50, (2013) Synthesis and evaluation of three new oxovanadium(IV) complexes, formed by the interaction of vanadyl acetylacetonate and the Schiff bases: 3,4-bis((E)-2-hydroxybenzylideneamino)benzoic acid (L(1)), 3,4-bis-((E)-2-hydroxy-3-methoxybenzylideneamino)benzoic aci... |
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Tetrahedron 49 , 9823, (1993)
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