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Volumn 48, Issue 48, 2007, Pages 8424-8429

A highly stereoselective transformation of carboxylic esters to trisubstituted olefins via cationic cyclopropyl-allyl rearrangement of sulfonates of cis-1,2-disubstituted cyclopropanols

Author keywords

Allyl bromides; Cyclopropanols; Cyclopropyl allyl rearrangement; Stereoselectivity; Titanacyclopropanes; Trisubstituted olefins

Indexed keywords

ALKANOL; ALKENE DERIVATIVE; CYCLOPROPANE DERIVATIVE; CYCLOPROPANOL; ESTER; ETHER; HYDROGEN; MESYLIC ACID; PHOSPHORUS; SULFUR; UNCLASSIFIED DRUG;

EID: 35548987440     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2007.09.172     Document Type: Article
Times cited : (12)

References (53)
  • 2
    • 0008560306 scopus 로고    scopus 로고
    • For reviews, see:. de Meijere A. (Ed), Thieme, Stuttgart
    • For reviews, see:. Jendralla H. In: de Meijere A. (Ed). Houben-Weyl. 4th ed. Vol. E17 (1997), Thieme, Stuttgart 2313-2388
    • (1997) Houben-Weyl. 4th ed. , vol.E17 , pp. 2313-2388
    • Jendralla, H.1
  • 15
    • 35548946830 scopus 로고    scopus 로고
    • For application of the cyclopropyl-allyl rearrangement of mesylates of monosubstituted cyclopropanols in the synthesis of natural products, see:
    • For application of the cyclopropyl-allyl rearrangement of mesylates of monosubstituted cyclopropanols in the synthesis of natural products, see:. Lysenko I.L., Bekish A.V., and Kulinkovich O.G. Zh. Org. Khim. 41 (2005) 73-77
    • (2005) Zh. Org. Khim. , vol.41 , pp. 73-77
    • Lysenko, I.L.1    Bekish, A.V.2    Kulinkovich, O.G.3
  • 21
    • 0029942292 scopus 로고    scopus 로고
    • The reaction of tertiary cyclopropyl silyl ethers with diethylaminosulfurtrifluoride leading to allylic fluorides was reported by Kirihara et al.
    • The reaction of tertiary cyclopropyl silyl ethers with diethylaminosulfurtrifluoride leading to allylic fluorides was reported by Kirihara et al. Kirihara M., Kambayashi T., Momose T. J. Chem. Soc., Chem. Commun. (1996) 1103-1104
    • (1996) J. Chem. Soc., Chem. Commun. , pp. 1103-1104
    • Kirihara, M.1    Kambayashi, T.2    Momose, T.3
  • 30
    • 35548960625 scopus 로고    scopus 로고
    • note
    • 2Br protons of both isomers led to enhancement of the olefinic proton signal at 5.60 ppm for the (E)-stereoisomer and allylic methylene protons signal at 2.04 ppm for the (Z)-stereoisomer.
  • 31
    • 35549011621 scopus 로고    scopus 로고
    • note
    • 3) 0.93 (t, J = 7.4 Hz, 3H), 1.26-1.38 (m, 1H), 1.38-1.51 (m, 1H), 1.79-1.89 (m, 1H), 1.84 (dd, J = 1.4, 0.8 Hz, 3H) 1.91-2.03 (m, 1H), 4.57 (t, J = 7.5 Hz, 1H), 4.87 (quint, J = 1.4 Hz, 1H), 5.05 (m, 1H).
  • 32
    • 35549007764 scopus 로고    scopus 로고
    • note
    • 3S: C, 49.97; H, 8.39. Found: C, 50.19; H, 8.17.
  • 33
    • 35549009922 scopus 로고    scopus 로고
    • note
    • No further change in the composition of the product mixture was observed after longer reaction times.
  • 34
    • 35549010367 scopus 로고    scopus 로고
    • note
    • Low stereoselectivity observed in the reaction of trans-mesylate 6 could be connected with the higher rate of allylic isomerization of (Z)-allyl bromide 4a in comparison with (E)-allyl bromide 3a due to steric interactions.
  • 35
    • 1642520269 scopus 로고    scopus 로고
    • For a recent DFT study of cyclopropyl-allyl rearrangement of stereoisomeric cyclopropyl bromides, see:
    • For a recent DFT study of cyclopropyl-allyl rearrangement of stereoisomeric cyclopropyl bromides, see:. Faza O.N., Lopez S., Alvarez R., and De Lera A.R. Org. Lett. 6 (2004) 905-908
    • (2004) Org. Lett. , vol.6 , pp. 905-908
    • Faza, O.N.1    Lopez, S.2    Alvarez, R.3    De Lera, A.R.4
  • 36
    • 35548978162 scopus 로고    scopus 로고
    • note
    • 5S: C, 60.31; H, 8.43. Found: C, 60.55; H, 8.81.
  • 37
    • 35548966839 scopus 로고    scopus 로고
    • note
    • 2: C, 59.48; H, 7.93. Found: C, 59.09; H, 7.52.
  • 38
    • 35548956597 scopus 로고    scopus 로고
    • note
    • 2S: C, 66.63; H, 7.99. Found: C, 66.34; H, 8.17.
  • 39
    • 35548932620 scopus 로고    scopus 로고
    • note
    • Reaction of the 75:25 mixture of allyl bromides 3a and 5a with excess sodium p-toluenesulfinate, gave after 24 h, a mixture of primary and secondary sulfones in approximately the same ratio.
  • 40
    • 35548941567 scopus 로고    scopus 로고
    • note
    • 28BrP: C, 68.34; H, 6.42. Found: C, 68.21; H, 6.55.
  • 41
    • 35548940900 scopus 로고    scopus 로고
    • note
    • Allyl bromide 5d was converted into alcohol 10d by treatment with potassium acetate in DMF in the presence of TEBA followed by saponification of the acetate obtained with NaOH.
  • 42
    • 35548968157 scopus 로고    scopus 로고
    • note
    • 30O: C, 79.58; H, 13.36. Found: C, 79.92; H, 13.05.
  • 43
    • 35548981902 scopus 로고    scopus 로고
    • note
    • 1H NMR spectroscopic data, product 9d contained inseparable admixtures of isomeric methylene compound (2-3%) along with diene hydrocarbon (2-3%). The latter were probably formed from the corresponding secondary allyl halide as a result of reductive dehalogenation and hydrodehalogenation reactions.
  • 48
    • 35548953307 scopus 로고    scopus 로고
    • note
    • 4. The residue, after the solvent evaporation, was dissolved in DMF (1 mL) and treated with potassium acetate (0.030 g, 0.31 mmol) in the presence of TEBA (0.002 g, 0.01 mmol) at 80 °C for 2 h. After work-up compound 9d (0.075 g, 70%) was isolated by column chromatography (eluent petroleum ether).
  • 49
    • 35548982344 scopus 로고    scopus 로고
    • note
    • 1H NMR spectroscopy of the product showed the ratio of stereoisomers Z:E = 90:10 and traces of isomeric methylene olefin (4%).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.