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Volumn 63, Issue 5, 2007, Pages 1065-1073

Novel methods for the synthesis of 5-substituted-3-carboxy-2,5- and 4,5-dihydrothiophenes and 5-substituted 2- and 3-sulfolenes

Author keywords

Dihydrothiophene; Sulfolene; Xanthate radical transfer

Indexed keywords

CYCLOALKENE; SULFUR DERIVATIVE; TANGUTORINE; THIOPHENE DERIVATIVE;

EID: 33845647316     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tet.2006.11.061     Document Type: Article
Times cited : (7)

References (29)
  • 2
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    • and refs. cited therein
    • Dong S., and Paquette L.A. J. Org. Chem. 70 (2005) 1580-1596 and refs. cited therein
    • (2005) J. Org. Chem. , vol.70 , pp. 1580-1596
    • Dong, S.1    Paquette, L.A.2
  • 11
    • 3042780338 scopus 로고    scopus 로고
    • For previous syntheses see:
    • For previous syntheses see:. Luo S.J., Zhao J.R., and Zhai H.B. J. Org. Chem. 69 (2004) 4548-4550
    • (2004) J. Org. Chem. , vol.69 , pp. 4548-4550
    • Luo, S.J.1    Zhao, J.R.2    Zhai, H.B.3
  • 16
    • 0346658576 scopus 로고
    • Treatment of 3-carboxy-3-sulfolene with 1 equiv of base generally gives 3-substitution while 2 equiv leads to clean 2-substitution, see:
    • Treatment of 3-carboxy-3-sulfolene with 1 equiv of base generally gives 3-substitution while 2 equiv leads to clean 2-substitution, see:. Chou T.S., Tsai C.Y., and Huang L.J. J. Org. Chem. 55 (1990) 5410-5413
    • (1990) J. Org. Chem. , vol.55 , pp. 5410-5413
    • Chou, T.S.1    Tsai, C.Y.2    Huang, L.J.3
  • 23
    • 33845632313 scopus 로고
    • Zh. Org. Khim. 17 (1981) 251-259
    • (1981) Zh. Org. Khim. , vol.17 , pp. 251-259
  • 24
    • 33845635988 scopus 로고    scopus 로고
    • note
    • Three 5-substituted-3-carboxy-2,5-dihydrothiophenes have been reported, see Ref. 8. 3-Carboxy-3-sulfolenes substituted in position 5 as well as at other positions are also known. See for example Ref. 5.
  • 25
    • 33748623022 scopus 로고
    • Representative examples:
    • Representative examples:. Duus F., and Lawesson S.-O. Tetrahedron 27 (1971) 387-399
    • (1971) Tetrahedron , vol.27 , pp. 387-399
    • Duus, F.1    Lawesson, S.-O.2
  • 28
    • 0141794089 scopus 로고    scopus 로고
    • See Ref. 2b, also: and refs. cited therein.
    • See Ref. 2b, also:. Binot G., and Zard S.Z. Tetrahedron Lett. 44 (2003) 7703-7706 and refs. cited therein.
    • (2003) Tetrahedron Lett. , vol.44 , pp. 7703-7706
    • Binot, G.1    Zard, S.Z.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.