C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/111
C07D 499/00 (2006.01) C07D 205/09 (2006.01) C07D 499/88 (2006.01) C07D 513/04 (2006.01) C07F 7/10 (2006.01) C07F 7/18 (2006.01)
Patent
CA 1197839
- 67 - Abstract: 7-Oxo-4-thia-1-aza[3,2,0]heptane and 7-oxo-4-thia-1-aza- [3,2,0]hept-2-ene derivatives The invention relates to compounds of the formula Image in which R is an esterifying group R2 is hydrogen, lower alkyl, lower hydroxyalkyl, lower alkoxyalkyl, lower acyloxyalkyl or tri-lower alkylsilyl- oxyalkyl, a process for their manufacture and intermediate compounds for their synthesis. Compounds of the general formula referred to above are useful in the synthesis of substituted penens.
389542
Johnson Graham
Ross Barry C.
Yeomans Michael A.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Uk Limited
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