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Synthesis of Δ1-carbapenem derivative by aldol condensation method

✍ Scribed by Koichi Hirai; Katsumi Fujimoto; Yuji Iwano; Tetsuo Hiraoka; Tadashi Hata; Chihiro Tamura

Publisher
Elsevier Science
Year
1981
Tongue
French
Weight
228 KB
Volume
22
Category
Article
ISSN
0040-4039

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✦ Synopsis

The Al-carbapenem derivative(g) was prepared by the aldol condensation of the dialdehydic compound(5) with piperidinium acetate.

Careful hydride reduction followed by benzoylation gave zb, which was successfully decarbalkoxylated to 8.

The X-ray structure analysis of 8 showed the C-3 carboxylate group and C-5 H are cis each other. -Current interest .for the synthesis of carbapenem derivative(l), which is

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