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Volumn 68, Issue 17, 2003, Pages 6810-6813

Synthesis of naturally occurring acetylenes via an alkylidene carbenoid rearrangement

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EID: 0043009833     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo034734g     Document Type: Article
Times cited : (48)

References (51)
  • 4
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    • Cutler, H. G., Ed.; ACS Symp. Ser. No. 380; American Chemical Society: Washington, DC
    • (b) Biologically Active Natural Products - Potential Use in Agriculture; Cutler, H. G., Ed.; ACS Symp. Ser. No. 380; American Chemical Society: Washington, DC, 1988.
    • (1988) Biologically Active Natural Products - Potential Use in Agriculture
  • 10
    • 0004294109 scopus 로고
    • Viehe, H. G., Ed.; Marcel Dekker: New York; Chapter 14
    • (f) Bohlmann, F. In Chemistry of Acetylenes; Viehe, H. G., Ed.; Marcel Dekker: New York, 1969; Chapter 14, pp 977-986.
    • (1969) Chemistry of Acetylenes , pp. 977-986
    • Bohlmann, F.1
  • 32
    • 12444262532 scopus 로고    scopus 로고
    • note
    • The ene-triyne 1 has previously been synthesized by Bohlmann et al. using a Wittig reaction, ref 8a.
  • 33
    • 12444286064 scopus 로고
    • 1-Phenylhepta-1,3,5-triyne (2) has previously been synthesized by Cadiot-Chodkiewicz coupling and elimination protocols: (a) Meier, J.; Chodkiewicz, W.; Cadiot, P.; Willemart, A. C. R. Hebd. Séances Acad. Sci. 1957, 245, 1634-1636. (b) Mavrov, M. V.; Kucherov, V. F. Bull. Acad. Sci. USSR Div. Chem. Sci. (Engl. Transl.) 1966, 833-836. (c) Shim, S. C.; Lee, T. S. Bull. Korean Chem. Soc. 1986, 7, 357-362.
    • (1957) R. Hebd. Séances Acad. Sci. , vol.245 , pp. 1634-1636
    • Meier, J.1    Chodkiewicz, W.2    Cadiot, P.3    Willemart, A.C.4
  • 34
    • 34250510435 scopus 로고
    • 1-Phenylhepta-1,3,5-triyne (2) has previously been synthesized by Cadiot-Chodkiewicz coupling and elimination protocols: (a) Meier, J.; Chodkiewicz, W.; Cadiot, P.; Willemart, A. C. R. Hebd. Séances Acad. Sci. 1957, 245, 1634-1636. (b) Mavrov, M. V.; Kucherov, V. F. Bull. Acad. Sci. USSR Div. Chem. Sci. (Engl. Transl.) 1966, 833-836. (c) Shim, S. C.; Lee, T. S. Bull. Korean Chem. Soc. 1986, 7, 357-362.
    • (1966) Bull. Acad. Sci. USSR Div. Chem. Sci. (Engl. Transl.) , pp. 833-836
    • Mavrov, M.V.1    Kucherov, V.F.2
  • 35
    • 0041965470 scopus 로고
    • 1-Phenylhepta-1,3,5-triyne (2) has previously been synthesized by Cadiot-Chodkiewicz coupling and elimination protocols: (a) Meier, J.; Chodkiewicz, W.; Cadiot, P.; Willemart, A. C. R. Hebd. Séances Acad. Sci. 1957, 245, 1634-1636. (b) Mavrov, M. V.; Kucherov, V. F. Bull. Acad. Sci. USSR Div. Chem. Sci. (Engl. Transl.) 1966, 833-836. (c) Shim, S. C.; Lee, T. S. Bull. Korean Chem. Soc. 1986, 7, 357-362.
    • (1986) Bull. Korean Chem. Soc. , vol.7 , pp. 357-362
    • Shim, S.C.1    Lee, T.S.2
  • 36
    • 12444298250 scopus 로고
    • Atractylodin (3) has been synthesized by oxidative coupling, but no yield was reported: Yosioka, I.; Hikino, H.; Sasaki, Y. Chem. Pharm. Bull. 1960, 8, 957-959.
    • (1960) Chem. Pharm. Bull. , vol.8 , pp. 957-959
    • Yosioka, I.1    Hikino, H.2    Sasaki, Y.3
  • 44
    • 0000506841 scopus 로고
    • Transformation of the terminal triyne into its methylated derivative 1 required that THF be used as solvent. Use of diethyl ether was unsuccessful, consistent with that observed by Holmes and Jones in a similar methylation reaction, see: Holmes, A. B.; Jones, E. G. Tetrahedron Lett. 1980, 21, 3111-3112.
    • (1980) Tetrahedron Lett. , vol.21 , pp. 3111-3112
    • Holmes, A.B.1    Jones, E.G.2
  • 48
    • 12444340094 scopus 로고    scopus 로고
    • note
    • Empirical evidence suggests that lithium-halogen exchange is more rapid than quenching of the n-BuLi by adventitious water. Any water present in the reaction medium therefore results in in situ protonation of the carbenoid intermediate. This extensively complicates purification because of similar retention times on common chromatographic supports, thus reiterating the need for strictly anhydrous reagents and reaction conditions.


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