Electric Literature of C8H15BrO2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 8-Bromooctanoic acid, is researched, Molecular C8H15BrO2, CAS is 17696-11-6, about Reflection absorption infrared spectroscopy characterization of SAM formation from 8-mercapto-N-(phenethyl)octanamide thiols with Phe ring and amide groups. Author is Kuodis, Zenonas; Matulaitiene, Ieva; Spandyreva, Marija; Labanauskas, Linas; Stoncius, Sigitas; Lorka, Olegas Eicher; Sadzeviciene, Rita; Niaura, Gediminas.
Multifunctional amide-containing self-assembled monolayers (SAMs) provide prospects for the construction of interfaces with required physicochem. properties and distinctive stability. In this study, we report the synthesis of amide-containing thiols with terminal phenylalanine (Phe) ring functionality (HS(CH2)7CONH(CH2)2C6H5) and the characterization of the formation of SAMs from these thiols on gold by reflection absorption IR spectroscopy (RAIRS). For reliable assignments of vibrational bands, ring deuterated analogs were synthesized and studied as well. Adsorption time induced changes in Amide-II band frequency and relative intensity of Amide-II/Amide-I bands revealed two-state sigmoidal form dependence with a transition inflection points at 2.2 ± 0.5 and 4.7 ± 0.5 min, resp. The transition from initial (disordered) to final (hydrogen-bonded, ordered) structure resulted in increased Amide-II frequency from 1548 to 1557 cm-1, which is diagnostic for a strongly hydrogen-bonded amide network in trans conformation. However, the lateral interactions between the alkyl chains were found to be somewhat reduced when compared with well-ordered alkane thiol monolayers.
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary