References
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- Compounds 1a–3b, 5a and 5b gave identical spectral data to that of authentic materials (see ref. 4)
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- IR, neat (cm–1), 3450 s. br, 2960s, 2940s, 2860s, 1745s, 1665m, 1625m. NMR, 6.6–5.3 (4H,m), 4.6(1H,m) 2.9–2.4 (5H,m), 2.4–1.9 (4H,m), 1.5–1.1 (5H,m), 1.1–0.8 (3H,t). MS (m/e) 235 (M+1,15%), 234 (M,100%), 192 (10%), 191 (20%), 177 (20%,M—C4H9), 176 (10%,M—C4H10), 150 (20%), 149 (50%), 91 (70%). High resolution MS, Calc 234.1619 Found 234. 1619
- Sommer , L. H. and Ansul , G. R. 1955 . J. Amer. Chem. Soc. , 77 : 2482
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