The Synthesis of Chiral Hmpa Analogues

References

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• Compound 4: NMR (CDCl3), 81.67–2.07 (m, 12H) 0, 2.90–3.53 (m, 12H) 3.38 (s, 3H) 3.70–4.00 (m, 1H). IR (film) 1200, 1075, 1010cm−1 MS m/e (%) No M+, 256 (39), 188 (10), 187 (100), 116 (10), 70 (59), 45 (68) MS-CI 302 (M+1), 270, 256, 93 Bpt 157°/0.04mm Hygroscopic 13C NMR (CDCl3, SFORD) 24.62 (d, JPC = 7.50 Hz), 25.87 (d, JPC=7.72 Hz), 28.49 (d, JPC=6.82 Hz), 45.74 (m), 46.37 (d, JPC=3.4 Hz), 56.70 (d, JPC=4.8 Hz), 58.24
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