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Volumn 36, Issue 5, 2007, Pages 662-663

Thia- and selenasilaboriranes and 1,3,2,4-dioxasilaboretane from a stable silaborene

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EID: 34250182344     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2007.662     Document Type: Article
Times cited : (17)

References (33)
  • 1
    • 0038185278 scopus 로고    scopus 로고
    • For reviews of unique three-membered ring systems of heavier group 14 elements, see: a
    • For reviews of unique three-membered ring systems of heavier group 14 elements, see: a) A. Sekiguchi, V. Ya. Lee, Chem. Rev. 2003, 103, 1429.
    • (2003) Chem. Rev , vol.103 , pp. 1429
    • Sekiguchi, A.1    Lee, V.Y.2
  • 3
    • 34250205697 scopus 로고    scopus 로고
    • N. Tokitoh, W. Ando, N. Choi, in Comprehensive Heterocyclic Chemistry II, ed. by A. R. Katritzky, C. W. Rees, E. F. V. Scriven, ed. by A. Padwa, Pergamon, Oxford, 1996, 1A, pp. 259-276.
    • a) N. Tokitoh, W. Ando, N. Choi, in Comprehensive Heterocyclic Chemistry II, ed. by A. R. Katritzky, C. W. Rees, E. F. V. Scriven, vol. ed. by A. Padwa, Pergamon, Oxford, 1996, Vol. 1A, pp. 259-276.
  • 4
    • 34250178516 scopus 로고    scopus 로고
    • N. Tokitoh, N. Choi, W. Ando in Comprehensive Heterocyclic Chemistry II, ed. by A. R. Katritzky, C. W. Rees, E. F. V. Scriven, ed. by A. Padwa, Pergamon, Oxford, 1996, 1A, pp. 457-468, and references cited therein.
    • b) N. Tokitoh, N. Choi, W. Ando in Comprehensive Heterocyclic Chemistry II, ed. by A. R. Katritzky, C. W. Rees, E. F. V. Scriven, vol. ed. by A. Padwa, Pergamon, Oxford, 1996, Vol. 1A, pp. 457-468, and references cited therein.
  • 12
    • 34250193362 scopus 로고    scopus 로고
    • 2: mp 156-157°C, 1H NMR (THF-d8, 298 K, δ) 0.26 (s, 6H, 1.10 (s, 18H, 1.13 (s, 18H, 1.56 (s, 6H, 1.61 (s, 6H, 1.68-1.78 (m, 6H, 13C NMR (THF-d8, 298 K, δ, 4.3, 16.8, 23.1, 23.3, 30.3, 30.6, 31.7, 35.3, 38.3, 39.1, 57.2, 58.6; 29Si NMR (THF-d8, 253 K, δ, 124.6, 8.5; 11B NMR (THF-d8, 298 K, δ) 50.1. 3: mp 179-180°C (dec, 1H NMR (THF-d8, 298 K, δ) 0.26 (s, 6H, 1.12 (s, 18H, 1.16 (s, 18H, 1.61 (s, 6H, 1.63 (s, 6H, 1.67-1.79 (m, 6H, 13C NMR (THF-d8, 298K, δ, 5.0, 15.6, 22.4, 22.8, 29.6, 29.9, 31.1, 34.5, 36.8, 37.5, 57.1, 58.0; 29Si NMR (THF-d8, 253 K, δ, 122.5, 10.5; 11B NMR (THF-d8, 298 K, δ) 52.5; 77Se NMR THF-d8, 298 K, δ, 400.7. Compun
    • 8, 298 K, δ) -400.7. Compunds 2 and 3 are unstable toward air and moisture. In particular, selenium derivative 3 decomposed to give a complicated mixture with liberation of red selenium.
  • 15
    • 34250193735 scopus 로고    scopus 로고
    • Crystal data for 2: C27H60BNSSi3, MW 525.90, monoclinic, space group P21/m (no. 11, a, 8.4940(3, b, 17.5210(11, c, 11.4580(7) Å, β, 104.666(3)°, V, 1649.66(16) Å3, Z, 2, Dcalcd, 1.059 g cm-3, R 1 (I > 2σ(I, 0.0479, wR2 (all data, 0.1290 for 3006 reflections, 287 parameters, and 1 restraint, GOF, 1.031. 3: C27H60BNSeSi3, MW 572.80, monoclinic, space group P21/m (no. 11, a, 8.5350(3, b, 17.5160(10, c, 11.5160(6) Å3, β, 105.3430(3)̊, V, 1660.27(14) Å3, Z, 2, Dcalcd, 1.146 g cm-3, R1 (I > 2σ(I, 0.0377, wR2 all data, 0
    • 2 (all data) = 0.1012 for 3238 reflections and 284 parameters, GOF = 1.056. Selected bond lengths (Å) and angles (deg) for 3: Si1-B1 = 2.009(3), Si1-Se1 = 2.3355(7), Se1-B1 = 1.963(3), N1-B1 = 1.394(4), Se1-Si1-B1 = 53.09(9), Se1-B1-Si1 = 72.01(11), Si1-Se1-B1 = 54.90(9).
  • 25
    • 34250204617 scopus 로고    scopus 로고
    • 4: mp 152-153°C, 1H NMR (C6D 6, 298 K, δ) 0.23 (s, 6H, 1.19 (s, 36H, 1.43 (s, 6H, 1.62 (s, 12H, 13C NMR (C6D6, 298 K, δ, 7.2, 17.2, 21.6, 29.5, 32.7, 42.1, 53.1; 29Si NMR (C6D 6, 298 K, δ, 2.5, 71.5; 11B NMR (C 6D6, 298 K, δ) 24.4. Compound 4 is moisture sensitive, giving insoluble white precipitates
    • 6, 298 K, δ) 24.4. Compound 4 is moisture sensitive, giving insoluble white precipitates.
  • 27
    • 34250200509 scopus 로고    scopus 로고
    • 2 (all data) = 0.1680 for 7813 reflections and 325 parameters, GOF = 0.995.
    • 2 (all data) = 0.1680 for 7813 reflections and 325 parameters, GOF = 0.995.
  • 32
    • 0004204702 scopus 로고    scopus 로고
    • 3rd ed, Oxford University Press
    • J. Emsley, The Elements, 3rd ed., Oxford University Press, 1998.
    • (1998) The Elements
    • Emsley, J.1
  • 33
    • 34250177367 scopus 로고    scopus 로고
    • Supporting Information is available electronically on the CSJ-Journal Web Site, http://www.csj.jp/journals/chem-lett/.
    • Supporting Information is available electronically on the CSJ-Journal Web Site, http://www.csj.jp/journals/chem-lett/.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.