Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1990-04-27
1991-06-25
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568316, C07C 4565
Patent
active
050269186
ABSTRACT:
2,3,5-trisubstituted-2-cyclopentenones or 2,3-disubstituted-2-cyclopentenones (such as cis-jasmone) are prepared by contacting a 3-chloro-3,4-disubstituted-4-pentene-2-one with a strong base. Methods of preparing the reactants are also disclosed.
REFERENCES:
patent: 3983175 (1976-09-01), Tamai et al.
patent: 4371711 (1983-02-01), Saito et al.
R. A. Ellison, Synthesis, 1973, 397.
M. Mikolajcayk, S. Grzejsczak, & K. Korbacz, Tetrahedron Lett. 22, 3097 (1981).
M. Miklojczyk, S. Grzejsczak, & P. Kyzawa, Tetrahedron Lett., 23, 2237 (1982).
J. L. Herrmann, J. E. Richman, & R. H. Schlessinger, Tetrahedron Lett., 35, 3275 (1973).
P. Bakuzis & M. L. F. Bakuzis, J. Org. Chem. 42, 2362 (1977).
S. C. Subramaniam, P. J. Thomas, V. R. Mamdapur, & M. S. Chadha, J. Chem. Soc. Perkin 1,2346 (1979).
A. G. Cameron & A. T. Hewson, J. Chem. Soc. Perkin. Trans. 1,2979 (1983).
I. Kawamoto, S. Muramatsu, & Y. Yura, Tetrahedron Lett. 48, 4223 (1974).
Y. Yura & J. Ide, Chem. Pharm. Bull, 17, 408 (1969).
J. L. E. Erickson & F. E. Collins, Jr., J. Org. Chem. 30, 1050 (1965).
K. Sisido, S. Torji, & M. Kawanisi, J. Org. Chem., 29, 904 (1964).
G. Buchi & B. Egger, J. Org. Chem., 36, 2021 (1971).
S. C. Welch, J. N. Assercq, J. P. Loh, & S. A. Glase, J. Org. Chem. 52, 1440 (1987).
P. Grieco, J. Org. Chem., vol. 37, No. 14, 2363 (1972).
T. Mukaiyama, J. Am. Chem. Soc., 94:24 (1972), pp. 8641-8642.
H. O. House, C. Chu, J. M. Wilkins, and M. J. Umen, J. Org. Chem., vol. 40, No. 10, p. 1460, (1975).
Boone Jeffrey S.
Petrolite Corporation
Reamer James H.
Solomon Kenneth
Tarter Stanley M.
LandOfFree
Synthesis of 2,3,5-trisubstituted-2-cyclopentenones via base ind does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Synthesis of 2,3,5-trisubstituted-2-cyclopentenones via base ind, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synthesis of 2,3,5-trisubstituted-2-cyclopentenones via base ind will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1041705