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Volumn 73, Issue 1, 2008, Pages 312-315

Chlorination/cyclodehydration of amino alcohols with SOCl2: An old reaction revisited

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ALCOHOLS; CLASSICAL N-PROTECTION; CYCLODEHYDRATION; DEPROTECTION SEQUENCE;

EID: 37549042327     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo701877h     Document Type: Article
Times cited : (53)

References (64)
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    • For recent applications of direct cyclodehydration methods, see: (a) de Figueiredo, R. M.; Fröhlich, R.; Christmann, M. J. Org. Chem. 2006, 71, 4147.
    • (2006) J. Org. Chem , vol.71 , pp. 4147
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    • 8
    • 8
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    • For examples of chlorination of amino alcohol salts, see: (a) Back, T. G, Nakajima, K. J. Org. Chem. 2000, 65, 4543
    • For examples of chlorination of amino alcohol salts, see: (a) Back, T. G.; Nakajima, K. J. Org. Chem. 2000, 65, 4543.
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    • For examples of chlorination of amino alcohols with SOCl2 in the presence of bases, see: (a) Muratake, H, Natsume, M. Tetrahedron Lett 2002, 43, 2913
    • 2 in the presence of bases, see: (a) Muratake, H.; Natsume, M. Tetrahedron Lett 2002, 43, 2913.
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    • For examples of chlorination of amino alcohols with SOCl2 in the absence of bases by adding SOCl2 to amino alcohol solution, see: (a) Gursky, M. E, Ponomarev, V. A, Pershin, D. G, Bubnov, Y. N, Antipin, M. Y, Lyssenko, K. A. Russ. Chem. Bull. 2002, 51, 1562
    • 2 to amino alcohol solution, see: (a) Gursky, M. E.; Ponomarev, V. A.; Pershin, D. G.; Bubnov, Y. N.; Antipin, M. Y.; Lyssenko, K. A. Russ. Chem. Bull. 2002, 51, 1562.
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    • 8,14
    • 8,14
  • 56
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    • Although a slurry was obtained after prolonged agitation of the reaction mixture at ambient temperature, the precipitation of the HCl salt, which can be isolated and characterized, was believed to be a result of sojubility-driven equilibrium shift. See more discussion in the text
    • Although a slurry was obtained after prolonged agitation of the reaction mixture at ambient temperature, the precipitation of the HCl salt, which can be isolated and characterized, was believed to be a result of sojubility-driven equilibrium shift. See more discussion in the text.
  • 57
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    • 3.
    • 3.
  • 58
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    • The formation of possible sulfamide intermediate I was not observed. (Chemical Equation Presented)
    • The formation of possible sulfamide intermediate I was not observed. (Chemical Equation Presented)
  • 59
    • 37549036064 scopus 로고    scopus 로고
    • This process was successfully and reproducibly carried out in 5 kg scale with 1.2 equiv of SOCl2
    • 2.
  • 60
    • 33846442000 scopus 로고    scopus 로고
    • is commercially available. For leading references of the synthesis of crispine A, see: (a) King, F. D. Tetrahedron 2007, 63, 2053.
    • is commercially available. For leading references of the synthesis of crispine A, see: (a) King, F. D. Tetrahedron 2007, 63, 2053.
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    • For examples of relative rates of cyclization as a function of ring size, see: (a) Mandolini, L. Adv. Phys. Org. Chem. 1986, 22, 1
    • For examples of relative rates of cyclization as a function of ring size, see: (a) Mandolini, L. Adv. Phys. Org. Chem. 1986, 22, 1.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.