메뉴 건너뛰기




Volumn , Issue 2, 2007, Pages 263-267

Synthesis of optically active substituted 3-fluoropiperidines from prolinols by using DAST

Author keywords

Aziridinium; Fluorine; Piperidine; Rearrangements; Ring expansion

Indexed keywords

3 FLUOROPIPERIDINE DERIVATIVE; AZIRIDINE; FLUORIDE; N,N DIETHYLAMINOSULFUR TRIFLUORIDE; PIPERIDINE DERIVATIVE; PROLINOL DERIVATIVE; PYRROLIDINE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 33847043960     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2007-967989     Document Type: Article
Times cited : (36)

References (55)
  • 4
    • 11844274689 scopus 로고    scopus 로고
    • Chem. Int. Ed, and references therein
    • Shimizu, M.; Hiyama, T. Angew. Chem. Int. Ed. 2005, 44, 214; and references therein.
    • (2005) Angew , vol.44 , pp. 214
    • Shimizu, M.1    Hiyama, T.2
  • 45
    • 33847010580 scopus 로고    scopus 로고
    • 2O (9:1) as eluant.
    • 2O (9:1) as eluant.
  • 48
    • 33847057274 scopus 로고    scopus 로고
    • Compound 12: [α]D20-6.7 (c 0.135, CHCl3, IR (neat, 2921, 1460, 1252, 1153, 1090, 835, 776, 739, 699 cm-1. 1H NMR (400 MHz, CDCl3, δ, 7.40-7.15 (m, 5 H, 4.80 (dm, J, 47.2 Hz, 1 H, 4.06 (dddd, J, 9.5, 9.5, 4.5, 4.5 Hz, 1 H, 3.64 (d, J, 13.4 Hz, 1 H, 3.52 (d, J, 13.4 Hz, 1 H, 2.92-2.79 (m, 2 H, 2.29-1.99 (m, 3 H, 1.59-1.36 (m, 1 H, 0.83 (s, 9 H, 0,03 (s, 3 H, 0,01 (s, 3 H, 13C NMR: δ, 137.5 (s, 129.0 (d, 128.3 (d, 127.1 (d, 87.9 (dd, 1J C-F, 171.2 Hz, 65.1 (d, 62.3 (t, 60.2 (t, 56.0 (dt, 2JC-F, 20.2 Hz, 38.8 (dt, 2JC-F, 20.2 Hz, 25.8 (q, 18.1 (s, 4.8 (q, MS (EI, m/z (relative intensity, 323 (2, M, 308 (3, 303 (2, 290 (2, 266 (31, 246 (4, 232 (2, 192 (3, 191 (4, 190 (3, 134 (11, 102 (2, 100 2, 92
    • +: 324.2159; found: 324.2151.
  • 49
    • 33847074140 scopus 로고    scopus 로고
    • Compound 14: [α]D20 +37.6 (c 0.35, CHCl3, IR (neat, 3069, 2930, 2856, 2800, 1588, 1471, 1427, 1360, 1154, 1105, 1027, 976, 821, 738, 698 cm-1. 1H NMR (400 MHz, CDCl3, δ, 7.65-7.58 (4 H, 7.43-7.21 (11 H, 4.83 (ddddd, J, 47.7, 5.0, 5.0, 2.5, 2.5 Hz, 1 H, 4.13 (dddd, J, 8.0, 8.0, 4.0, 4.0 Hz, 1 H, 3.50 (s, 2 H, 2.74-2.58 (m, 2 H, 2.40 (ddd, J, 29.1, 12.1, 2.0 Hz, 1 H, 2.15 (m, 1 H, 1.98 (m, 1 H, 1.67 (m, 1 H, 1.04 (s, 9 H, 13C NMR (100 MHz, CDCl3, δ, 137.6 (s, 135.7 (d, 134.2 (s, 134.0 (s, 129.7 (d, 129.6 (d, 129.0 (d, 128.2 (d, 127.7 (d, 127.6 (d, 127.1 (d, 87.7 (dd, J, 170 Hz, 66.2 (dd, J, 3 Hz, 62.2 (t, 59.6 (t, 56.3 (dt, J, 21 Hz, 38.5 (dt, J, 20 Hz, 27.0 (q, 19.2 (s, MS (EI, m/z (relative intensity, 447 (1, M, 414 (2, 392 (7, 391 (27, 390 82, 370
    • +: 448.2472; found: 448.2473.
  • 51
    • 33847008261 scopus 로고    scopus 로고
    • Compound 28: [α]D20 +6.6 (c 0.35, CHCl3, IR (neat, 2930, 2856, 2786, 1460, 1427, 1384, 1252, 1180, 1106, 1083, 1048, 936, 888, 821, 776, 739, 700 cm-1. 1H NMR (400 MHz, CDCl3, δ, 7.67-7.63 (m, 4 H, 7.42-7.33 (m, 6 H, 4.12 (dddd, J, 10.1, 10.1, 5.0, 5.1 Hz, 1 H, 2.90-2.83 (m, 1 H, 2.79-2.73 (m, 1 H, 2.22 (s, 3 H, 2.11-2.03 (m, 1 H, 2.00-1.78 (m, 2 H, 1.63-1.51 (m, 3 H, 1.06 (s, 9 H, 0.89 (t, J, 7.5 Hz, 3 H, 13C NMR: δ, 135.7 (d, 134.1 (s, 129.7 (d, 127.6 (d, 95.1 (ds, 1JC-F, 172 Hz, 66.4 (d, 62.3 (t, 61.7 (dt, 2JC-F, 21.2 Hz, 45.8 (q, 41.4 (dt, 2JC-F, 22.0 Hz, 31.4 (dt, 2JC-F, 22.7 Hz, 27.0 (q, 19.2 (s, 7.10 (q, MS (EI, m/z (relative intensity, 399 (2, M, 379 (12, 364 (9, 343 (28, 342 100
    • +], 379 (12), 364 (9), 343 (28), 342 (100), 322 (15), 225 (7), 201 (11), 199 (13), 183 (18), 181 (10), 144 (18), 124 (30), 122 (23), 94 (11), 58 (12).
  • 52
    • 33847074573 scopus 로고    scopus 로고
    • The ee values were determined by HPLC: OJ-H, hexane, 0.3 mL/min
    • The ee values were determined by HPLC: OJ-H, hexane, 0.3 mL/min.
  • 54
    • 33847052820 scopus 로고    scopus 로고
    • Benzyl and allyl neighboring groups are reported to participate in DAST reactions in the absence of internal nucleophile, for examples, see: (a) Haigh, D, Jefcott, L. J, Magge, K, McNab, H. J. Chem. Soc, Perkin Trans. 1 1996, 1895
    • Benzyl and allyl neighboring groups are reported to participate in DAST reactions in the absence of internal nucleophile, for examples, see: (a) Haigh, D.; Jefcott, L. J.; Magge, K.; McNab, H. J. Chem. Soc., Perkin Trans. 1 1996, 1895.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.