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Dive into the research topics where John S. Chiu is active.

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Featured researches published by John S. Chiu.


Carbohydrate Research | 1984

The synthesis of netilmicin via complexing of vicinal and non-vicinal amino-hydroxyl group pairs with divalent transition-metal cations

Tattanahalli L. Nagabhushan; William N. Turner; Hsinghan Tsai; Robert S. Jaret; Doris P. Schumacher; John K. Jenkins; John S. Chiu

Sisomicin was converted into 3,2′,6′-tri-N-acetylsisomicin by acetylation of its 3″,4″-vicinal-cis and 1,2″-non-vicinal amino-hydroxyl group pair complex of copper(II) or cobalt(II) acetate. The tri-N-blocked derivative was reductively monoalkylated at the 1-position with acetaldehyde and sodium cyanoborohydride and then N-deprotected to give netilmicin.


Archive | 1994

Process for the synthesis of azetidinones

Tiruvettipuram K. Thiruvengadam; Xiaoyong Fu; Chou-Hong Tann; Timothy Mcallister; John S. Chiu; Cesar Colon


Archive | 2006

Synthesis of himbacine analogs

Tiruvettipuram K. Thiruvengadam; Tao Wang; Jing Liao; John S. Chiu; David Jieh-Shyh Tsai; Hong-Chang Lee; Wenxue Wu; Xiaoyong Fu


Archive | 1987

Crystalline sodium (5R, 6S, 8R)-6-(1-hydroxyethyl)-2-(2-carbamoyloxyethylthio)-penem-3-carboxylate and process for making same

John K. Jenkins; John S. Chiu; Charles Eckhart; Paul McNamara; Stanley Rosenhouse; Richard E. Youngstrom


Archive | 1993

Process for preparing isepamicin

Chou-Hong Tann; Tiruvettipuram K. Thiruvengadam; John S. Chiu; Cesar Colon; Michael D. Green


Archive | 1991

Process for preparing albuterol, acetal, hemi-acetal, and hydrates of arylglyoxal intermediates thereof

Chou-Hong Tann; Tiruvettipuram K. Thiruvengadam; John S. Chiu; Michael J. Green; Timothy Mcallister; Cesar Colon; Junning Lee


Archive | 1986

Process for preparing netilmicin.

Chou-Hong Tann; Tiruvettipuram K. Thiruvengadam; John S. Chiu; Cesar Colon


Archive | 1990

Improved process for preparing isepamicin

Chou-Hong Tann; Tiruvettipuram K. Thiruvengadam; John S. Chiu; Cesar Colon; Michael D. Green


Archive | 2007

Synthesis of 3-(5-nitrocyclohex-1-enyl) acrylic acid and esters thereof

Tiruvettipuram K. Thiruvengadam; Tao Wang; John S. Chiu; Jing Liao


Archive | 1990

N-protected-(S)-isoserine compounds

Chou-Hong Tann; Tiruvettipuram K. Thiruvengadam; John S. Chiu; Cesar Colon; Michael D. Green

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