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Volumn 20, Issue 9, 2009, Pages 1081-1084

New mesogenic Schiff base esters comprising benzothiazole moiety: Synthesis and mesomorphic properties

Author keywords

Benzothiazoles; Mesomorphic; Nematic; Schiff bases; Structure liquid crystal property relationship

Indexed keywords

EID: 67650642262 PISSN: 10018417 EISSN: None Source Type: Journal
DOI: 10.1016/j.cclet.2009.03.048 Document Type: Article

Times cited : (15)

References (16)

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- Analytical and spectroscopic data for the representative compound 16-MHBABTH: Yield 63, EI-MS m/z (rel. int, 538 (9, M, 300 (100, IR νmax (KBr, cm-1, 3447 (O-H, 3095, 3069 (C-H aromatic, 2920, 2851 (C-H aliphatic, 1757 (C{double bond, long}O ester, 1611 (C{double bond, long}N thiazole, 1460 (C{double bond, long}C aromatic, 1H NMR (400 MHz, CDCl3, δ ppm, 0.8 (t, 3H, CH3, 1.2-1.4 (m, 24H, CH3-(CH2)12, 1.7 (m, 2H, CH2-CH2-COO, 2.5 (t, 2H, CH2-COO, 3.8 (s, 3H, CH3-O, 6.7 (d, 1H, Ar-H, 6.8 (s, 1H, Ar-H, 7.0 (d, 1H, Ar-H, 7.2 (s, 1H, Ar-H, 7.4 (d, 1H, Ar-H, 7.8 (d, 1H, Ar-H, 9.1 (s, 1H, N{double bond, long}CH, 13C NMR (100 MHz, CDCl3, δ ppm, 14.06 (CH3, 22.64, 29.00, 29.18, 29.31, 29.40, 29.55, 29.60, 29.62, 29.64, 31.87 for methylene carbons (CH3(CH2)12
- 4S: C, 69.11%, H, 7.86%, N, 5.20%; Found: C, 69.19%, H, 7.79%, N, 5.22%.

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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.