Claims
- 1. The process for preparing the oxazolineazetidinone of the formula ##STR28## wherein R is C.sub.1 -C.sub.3 alkyl, phenyl or benzyl; and R.sub.1 and R.sub.2 independently are benzyl, 4-methoxybenzyl, or diphenylmethyl; which comprises treating in an inert solvent a 3-acylamino-4.alpha.-acetoxyazetidinone ester of the formula ##STR29## wherein R, R.sub.1, and R.sub.2 have the above-defined meanings with hydrogen chloride at a temperature between about -10.degree. C. and about 25.degree. C. and recovering said oxazoline-azetidinone.
- 2. The process of claim 1 wherein R is phenyl and R.sub.1 and R.sub.2 are both benzyl.
Parent Case Info
This is a divison of application Ser. No. 933,707 filed Aug. 15, 1978, now U.S. Pat. No. 4,180,507, which was a division of application Ser. No. 775,240, filed Nov. 7, 1977 now U.S. Pat. No. 4,127,568.
US Referenced Citations (3)
Non-Patent Literature Citations (2)
Entry |
Stoodley et al., J.C.S., Perkins I, 1974, 181. |
Yoshioka et al. Chem. Abs. 88, 50635y, (1977). |
Divisions (2)
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Number |
Date |
Country |
Parent |
933707 |
Aug 1978 |
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Parent |
775240 |
Mar 1977 |
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