Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-07-14
1994-04-26
Dentz, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D30512
Patent
active
053068343
ABSTRACT:
A process for preparing optically active 4-methyl-2-oxetanone which comprises asymmetrically hydrogenating 4-methylene-2-oxetanone in the presence of a ruthenium-optically active phosphine complex. Optically active 4-methyl-2-oxetanone can easily and economically be obtained at high optical purity.
REFERENCES:
patent: 2763664 (1956-09-01), Sixt
patent: 4691037 (1987-09-01), Yoshikawa et al.
patent: 4739084 (1988-04-01), Takaya et al.
patent: 4739085 (1988-04-01), Takaya et al.
patent: 4764629 (1988-08-01), Sayo et al.
patent: 4766225 (1988-08-01), Sayo et al.
patent: 4766227 (1988-08-01), Sayo et al.
patent: 4994590 (1991-02-01), Takaya et al.
patent: 5012002 (1991-04-01), Kumobayashi et al.
patent: 5021593 (1991-06-01), Nohira et al.
J. Reid Shelton, et al, Polymer Letters, vol. 9, pp. 173-178 (1971).
T. Sato, et al, Tetrahedron Lett., vol. 21, pp. 3377-3380 (1980).
A. Griesbeck, et al, Helv. Chim. Acta, vol. 70, pp. 1320-1325 (1987).
R. Breitschuh, et al, Chimia, vol. 44, pp. 216-218 (1990).
Y. Zhang, et al, Macromolecules, vol. 23, pp. 3206-3212 (1990).
R. Schmid et al, Helv. Chim. Acta, vol. 74, pp. 370-389 (1991).
R. Schmid, et al, Helv. Chim. Acta, vol. 71, pp. 897-929 (1988).
N. Yamamoto et al, Chem. Pharm. Bull., vol. 39, No. 4, pp. 1085-1087 (1991).
T. Ikariya, et al, J. Chem. Soc., Chem. Commun., pp. 922-924 (1985).
J. P. Genet, et al, Tetrahedron:Asymmetry, vol. 2, No. 7, pp. 555-567 (1991).
Kumobayashi Hidenori
Ohta Tetsuo
Takaya Hidemasa
Dentz Bernard
Takasago International Corporation
LandOfFree
Process for preparing optically active 4-methyl-2-oxetanone does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparing optically active 4-methyl-2-oxetanone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing optically active 4-methyl-2-oxetanone will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1712810