1. Penicillin 70

   • E. Lukevics
   • G. Veinberg

   Announcement Pages: 1221 - 1221

2. Asymmetric synthesis of 3-amino-β-lactamsvia Staudinger ketene-imine cycloaddition reaction (review)

   • Claudio Palomo
   • Jesus Maria Aizpurua

   OriginalPaper Pages: 1222 - 1236

3. Research on the correlation between the Pummerer reaction and penicillin biosynthesis (review)

   • Norio Shibata
   • Yasuyuki Kita

   ReviewPaper Pages: 1237 - 1248

4. Recent advances in carbapenem chemistry (review)

   • Akira Sasaki
   • Makoto Sunagawa

   ReviewPaper Pages: 1249 - 1265

5. Synthesis of penicillin derivatives and study of their cytotoxic properties

   • G. Veinberg
   • R. Bokaldere
   • E. Lukevics

   OriginalPaper Pages: 1266 - 1275

6. Sulfones of 7-silyl- and 7-germylcephalosporanates

   • G. Veinberg
   • M. Vorona
   • E. Lukevics

   OriginalPaper Pages: 1276 - 1281

7. 7α-methoxy-2-[(substituted)methylene]cephem sulfones as inhibitors of human leukocyte elastase and thrombin

   • Andhe V. Narender Reddy
   • Charles Y. Fiakpui
   • Samarendra N. Maiti

   OriginalPaper Pages: 1282 - 1288

8. Synthesis and human leukocyte elastase inhibitory activity of novel 2-spiro(2′,2′-diphenylcyclopropane) cephalosporin sulfones

   • Andhe V. Narender Reddy
   • Charles Y. Fiakpui
   • Samarendra N. Maiti

   OriginalPaper Pages: 1289 - 1295

9. Synthesis of cephalosporins carrying isoxazolyl acetamido and related side chains

   • Ferenc Sztaricskai
   • Gyula Batta
   • Istvan Koczka

   OriginalPaper Pages: 1296 - 1307

10. Studies on monobactams I. Synthesis and β-lactamase inhibitory activity of 4-substituted 3-[(N-methyl-1,2,3-triazol-4-yl)-methylene]-2-azetidinone-1-sulfonates

    • Oludotun A. Phillips
    • David P. Czajkowski
    • Akio Hyodo

    OriginalPaper Pages: 1308 - 1318

11. Studies on monobactams II. Synthesis and β-lactamase inhibitory activity of 4α-methyl-3-[(thien-2-yl)-methylene]-2-azetidinone-1-sulfonate

    • Oludotun A. Phillips
    • Eduardo L. Setti
    • Samarendra N. Maiti

    OriginalPaper Pages: 1319 - 1323

12. Synthesis and antibacterial activity of trinems bearing nitrogen derivatives at C(4)

    • Daniele Andreotti
    • Stefano Biondi
    • Daniele Donati

    OriginalPaper Pages: 1324 - 1330

13. Antibiotics fromXenorhabdus spp. andPhotorhabdus spp. (Enterobacteriaceae) (review)

    • Jianxiong Li
    • Kaiji Hu
    • J. M. Webster

    ReviewPaper Pages: 1331 - 1339