Azetidin-2-one derivatives, and process for production thereof u

Details Azetidin-2-one derivatives, and process for production thereof u Azetidin-2-one derivatives, and process for production thereof u

1987-12-23

1990-04-17

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548188, C07D41706, C07D27712, C07D41714, C07B 3704

Patent

active

049181840

ABSTRACT:
An azetidin-2-one derivative represented by the following formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group, an aryl group, an aralkyl group, a lower alkoxy group, aralkoxy group, a lower alkylthio group, an aralkylthio group, or a substituted amino group, R.sup.2 represents a hydrogen atom, a lower alkyl group, an aryl group or an aralkyl group, and R.sup.3 represents a hydrogen atom or a group of the formula ##STR2## in which R.sup.4 represents a hydrogen atom or a protective group for the hydroxyl group; and a process for production thereof.

REFERENCES:
patent: 4841043 (1989-06-01), Deziel
Nagao et al. I, "Chem. Abst." 105, col. 24221(k) (1986).
Nagao et al. II, "J. Org. Chem." 51(12) 2391-3 (1986).
Mukaiyama et al. I, "Chem. Abst." 101, col. 191759(r) (1984).
Iwasawa et al. I, "Chem. Abst." 98, col. 142907(y) (1983).
Nagao III, J. Amer. Chem. Soc. 108, 4673 1986 (7-31-86).
Iwasawa II, Chemistry Letters 1983, pp. 297-298.
Mukaiyama II, Tetrahedron 40, 1381 (1984).
Nagao IV, J.C.S. Chem. Comm 1985, 1418.

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