15 results on '"Ueda, Yasutsugu"'
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2. Synthesis and in vitro activity of several new carbapenems.
3. A simple method of preparing trimethylsilyl- and tert-butyldimethylsilyl-enol ethers of α-diazoacetoacetates and their use in the synthesis of a chiral precursor to thienamycin analogs.
4. Nuclear analogs of β-lactam antibiotics. XIX. Syntheses of racemic and enantiomeric p-nitrobenzyl carbapen-2-em-3-carboxylates.
5. Nuclear analogs of (β-lactam antibiotics. XVIII. A short synthesis of 2-alkylthiocarbapen-2-em-3-carboxylate.
6. Nuclear analogs of β-lactam antibiotics. XV. Synthesis of 6-substituted 2-methylpenem-3-carboxylic acids.
7. Water Soluble Steroids with Catalytic Substituents II. Synthesis of 3β-(4(5)-Imidazolyl)-5α-androstane-11β, 17β,-diamine and Comparison of its Catalytic Properties with Those of 17β-(4(5)-Imidazolyl)-5α-androstane-3β, 11β-diamine
8. Nuclear analogs of β-lactam antibiotics. XIV. Synthesis of penems via (4-tritylthio-2-azetidinon-1-yl)triphenylphosphoranylideneacetates.
9. The true magnitude of the hydrophobic rate enhancements obtainable from hydrocarbon alkyl chain contacts in aqueous solutions.
10. A new enzyme model system showing marked substrate specificity.
11. Electrostatic catalysis and inhibition in aqueous solution. Rate effects on the reactions of charged esters with a cationic steroid bearing an imidazolyl substituent.
12. ChemInform Abstract: Novel C-Acylated Triazole Derivatives of Ravuconazole, an Azole Antifungal Agent.
13. Michael Addition of Amines and Thiols to Dehydroalanine Amides: A Remarkable Rate Acceleration in Water.
14. Mild Method for Cleavage of Dehydroalanine Units: Highly Efficient Conversion of Nocathiacin I (Ia) to Nocathiacin IV (Ib).
15. Synthesis and in vitro activity of several new carbapenems.
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