Optically active .beta.-amino acid derivatives and their salts,

Details Optically active .beta.-amino acid derivatives and their salts, Optically active .beta.-amino acid derivatives and their salts,

1987-09-01

1989-06-06

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C01D30906

Patent

active

048373435

ABSTRACT:
Optically active .beta.-amino acid derivatives and their salts of the following formula: ##STR1## wherein COOR.sup.1 is an esterified or unesterified carboxyl group; R.sup.2 is hydrogen or a C.sub.1-10 acyl or esterified carboxyl group and processes for producing the same. These compounds permit important intermediate for the synthesis of 1.beta.-methylcarbapenem derivatives to be produced in an efficient way.

REFERENCES:
Heterocycles, vol. 21, pp. 29-40, (1984).
Tetrahedron Letters, vol. 26, pp. 583-586, (1985).
M. Hatanaka et al., Chemical Abstracts 108:21560w (abstract of Tennen Yuki Kagobutsu Toronkai Koen Yoshishu (1986, 28th, pp. 542-549).

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