Preparation and reactions of γ,γ-dialkoxyallylic zirconium species: α,β-unsaturated acyl anion equivalent

Tetrahedron Letters

Volumn 38, Issue 33, 1997, Pages 5829-5830

  Ito, Hisanaka ^a   Taguchi, Takeo ^a  

^a TOKYO UNIVERSITY OF PHARMACY AND LIFE SCIENCES   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ALKENE DERIVATIVE;

ARTICLE; CATALYSIS; DRUG SYNTHESIS; IN VITRO STUDY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; REACTION ANALYSIS; STEREOCHEMISTRY;

EID: 0030859925     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)01333-6     Document Type: Article

References (8)

1. Reviews of α,α-unsaturated acyl anion equivalent based on the heteroatom stabilized allylic and allenic anions; a) Yamamoto, Y. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Eds.; Pergamon Press: Oxford, 1991; Vol. 2, Chapter 1.2.
2. b) Yamamoto, H. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Eds.; Pergamon Press: Oxford, 1991; Vol. 2, Chapter 1.3.
3. γ,γ-Dialkoxyallylic lithium species; Seyferth, D.; Mammarella, R. E.; Klein, H. A. J. Organomet. Chem. 1980, 194, 1-7.
4. Negishi, E.; Cederbaum, F. E.; Takahashi, T. Tetrahedron Lett. 1986, 27, 2829-2832.
5. a) Ito, H.; Taguchi, T.; Hanzawa, Y. Tetrahedron Lett. 1992, 33, 1295-1298.
6. b) Ito, H.; Nakamura, T.; Taguchi, T.; Hanzawa, Y. Tetrahedron 1995, 51, 4507-4518.
7. 2, pyridine) and following elimination (t-BuOK). The detail of preparative procedure was according to the following literature: Stetter, H.; Uerdingen, W. Synthesis 1973, 207-208.
8. 4Cl aq.) and purification with silica gel column chromatography, the product 3a was obtained (215 mg, 0.91 mmol, 91 %).