Search Results1-20 of  130

  • KOGA KENJI ID: 9000018197427

    東京大学 (2003 from CiNii)

    Articles in CiNii:19

    • リチウムエノラートの不斉アルキル化反応 (2000)
    • 情報の受信から発信へ (1998)
    • Stereoselective Reactions. V. Design of the Asymmetric Synthesis of Lignan Lactones. Synthesis of optically Active Podorhizon and Deoxypodorhizon by 1,3-Asymmetric Induction (1982)
  • KOGA KENJI ID: 9000254212511

    Articles in CiNii:1

    • Amino Acids and Peptides. III. A New Synthetic Approach to N-Acylated a-Amino Aldehydes from N-Acylated α-Amino Acids by Catalytic Reduction of Their Mixed Carbonic-Carboxylic Acid Anhydrides with Palladium-Charcoal (1972)
  • KOGA KENJI ID: 9000254212663

    Articles in CiNii:1

    • Stereochemical Studies. XVIII. Nitrous Acid Deaminations of threo- and erythro-Phenylserine and Their Methyl Esters in Acetic Acid (1972)
  • KOGA KENJI ID: 9000254212699

    Articles in CiNii:1

    • Stereochemical Studies. XVII. Nitrous Acid Deaminations of (R)-α-Methylphenylalanine and Its Methyl Ester in Acetic Acid (1972)
  • KOGA KENJI ID: 9000254215609

    Articles in CiNii:1

    • Stereochemical studies. L. Reductive decyanization of .ALPHA.-amino nitriles with sodium in liquid ammonia. An alternate method for the application to the asymmetric synthesis of optically active natural products. (1977)
  • KOGA KENJI ID: 9000254215612

    Articles in CiNii:1

    • Stereochemical studies. XLIX. A biogenetic-type total synthesis of natural (+)-maritidine from L-tyrosine using highly specific asymmetric cyclization. (1977)
  • KOGA KENJI ID: 9000254215616

    Articles in CiNii:1

    • Stereochemical studies. XLVIII. Stereoselective synthesis of 6-deoxy-L-hexose derivatives from L-alanine without a resolution step. (1977)
  • KOGA KENJI ID: 9000254216995

    Articles in CiNii:1

    • Stereoselective reactions. III. A highly efficient method for the asymmetric synthesis of 2-alkylcycloalkanones via chiral chelated lithioenamines. (1979)
  • KOGA KENJI ID: 9000254217469

    Articles in CiNii:1

    • Synthesis of optically active .ALPHA.-alkyl or .ALPHA.-aryl acids from L-.ALPHA.-amino acids by the use of organocopper reagents. (1979)
  • KOGA KENJI ID: 9000254217542

    Articles in CiNii:1

    • Stereoselective reactions. I. A highly efficient asymmetric synthesis of .BETA.-substituted aldehydes via 1,4-addition of Grignard reagents to optically active .ALPHA.,.BETA.-unsaturated aldimines. (1979)
  • KOGA KENJI ID: 9000254217570

    Articles in CiNii:1

    • Synthesis of enantiomeric pairs of Vicinal-diols from L-.ALPHA.-amino acids by the use of organolithium reagents: Its application to optically active epoxyterpene synthesis. (1979)
  • KOGA KENJI ID: 9000254219993

    Articles in CiNii:1

    • Stereoselective reactions. V. Design of the asymmetric synthesis of lignan lactones. Synthesis of optically active podorhizon and deoxypodorhizon by 1,3-asymmetric induction. (1982)
  • KOGA KENJI ID: 9000254223017

    Articles in CiNii:1

    • Stereoselective reactions. VII. Synthesis of racemic and optically pure stegane, isostegane, picrostegane, and isopicrostegane via highly selective isomerization. (1985)
  • KOGA KENJI ID: 9000254223260

    Articles in CiNii:1

    • Stereoselective reactions. X. Total synthesis of optically pure antitumor lignan, burseran. (1985)
  • KOGA KENJI ID: 9000254223284

    Articles in CiNii:1

    • Biomimetic studies using artificial systems. II. Enantioselective thiolysis of D- or L-.ALPHA.-amino acid ester salts by thiol-bearing chiral crown ethers as an enzyme model. (1985)
  • KOGA KENJI ID: 9000254223958

    Articles in CiNii:1

    • Stereoselective reactions. VIII. Stereochemical requirement for the benzylic oxidation of lignan lactone. A highly selective synthesis of the antitumor lignan lactone steganacin by the oxidation of stegane. (1985)
  • KOGA KENJI ID: 9000254225226

    Articles in CiNii:1

    • Stereoselective reactions. IX. Synthetic studies on optically active .BETA.-lactams. I. Chiral synthesis of carbapenam and carbapenem ring systems starting from (S)-aspartic acid. (1985)
  • KOGA KENJI ID: 9000254226535

    Articles in CiNii:1

    • Stereoselective reactions. XI. Asymmetric alkylation of cyclohexanone via chiral chelated lithioenamines derived from D-camphor derivatives. (1986)
  • KOGA KENJI ID: 9000254226867

    Articles in CiNii:1

    • Stereoselective reactions. XII Synthesis of antitumor-active steganacin analogs, picrosteganol and epipicrosteganol, by selective isomerization. (1986)
  • KOGA KENJI ID: 9000254671626

    Articles in CiNii:1

    • Chemistry of Sodium Borohydride and Diborane. IV. Reduction of Carboxylic Acids to Alcohols with Sodium Borohydride through Mixed Carbonic-Carboxylic Acid Anhydrides (1968)
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