MgBr2-directed endo-selective conjugate addition of organometallic reagents to enones anchored on Cr(CO)3

Tetrahedron Letters

Volumn 40, Issue 33, 1999, Pages 6061-6064

  Swamy, Vishwanath M ^a   Mandal, Sunil K ^a   Sarkar, Amitabha ^a  

^a NATIONAL CHEMICAL LABORATORY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

CHROMIUM DERIVATIVE; MAGNESIUM DERIVATIVE; ORGANOMETALLIC COMPOUND;

ARTICLE; CHEMICAL BOND; CHEMICAL REACTION; CHEMICAL STRUCTURE; COMPLEX FORMATION; CONJUGATION; REACTION ANALYSIS; STEREOCHEMISTRY;

EID: 0033551795     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(99)01257-5     Document Type: Article

References (14)

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2. (b) Semmelhack, M. F. Transition Metal Arene Complexes: Ring Lithiation, ibid. p 1017.
3. (c) Davies, S. G.;. McCarthy, T. D. Transition Metal Arene Complexes: Side Chain Activation and Control of Stereochemistry, ibid. p 1039.
4. a) Sur, S.; Ganesh, S.; Pal, D.; Puranik, V. G.; Chakrabarti, P.; Sarkar, A. J. Org. Chem. 1996, 61, 8362- 8363.
5. b) Mandal, S. K.; and Sarkar, A. J. Org. Chem. 1999, 64, 2454-2458.
6. c) Sur, S.; Ganesh, S.; Puranik, V.G.; Sarkar, A. J. Chem. Soc., Perkin Trans. I, 1998, 977-982.
7. Cannon, K. C.; Krow, G. R. The composition of Grignard reagents in solution. The Schlenk equilibrium in Handbook of Grignard Reagents; Silverman, G. S.; Rakita, P. E., Eds.; Marcel Dekker Inc.: New York 1996. Pp. 271-290.
8. 2 in pet. ether (ref.6).
9. Ashby, E. C.; Arnott, R. C. J. Organomet. Chem. 1968, 14, 1.
10. Kamienski, C. W.; Eastham, J. F. J. Organomet. Chem. 1967, 8, 542.
11. 2. See also Tamura, Y.; Annoura, H.; and Fujioka, H. Tetrahedron Lett. 1987, 28, 5681-5682
12. For details about Lewis acid-carbonyl coordination see Shambayati, S.; Schreiber, S. L in Comp. Org. Synthesis, Trost, B. M.; Fleming, I., Eds.; Pergamon, Oxford, 1991, vol. 1 p 283 and references cited therein.
13. For further details see a. Lindsell, W. E.; Magnesium, Calcium, Strontium and Barium in Comp. Organomet. Chem. II; Abel, E. W.; Stone, F. G. A.;. Wilkinson G, Eds; Pergamon, Oxford, 1982, Vol. 1, p 155-252
14. b. Lindsell, W. E.; Magnesium, Calcium, Strontium and Barium in Comp. Organomet. Chem. II; Abel, E. W.; Stone, F. G. A.;. Wilkinson G, Eds; Pergamon, Oxford, 1992, Vol. 1, p 57-129.