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Dive into the research topics where Ruyu Chen is active.

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Featured researches published by Ruyu Chen.


Synthesis | 2007

A novel synthesis of 2,5-disubstituted 1,3,4-oxadiazolines by the regioselective cyclization of 1,4-disubstituted thiosemicarbazides

Dexin Feng; You Huang; Ruyu Chen; Yaqin Yu; Haibin Song

A novel and efficient route for the regioselective synthesis of 5-aryl-2-[(4-aryl-2-oxo-1,3,2-dioxaphosphinan-2-yl)imino]-2,3-dihydro-1,3,4-oxadiazoles in high yield and purity by the de-sulfurization and cyclization of 1-benzoyl-4-[(4-aryl-2-oxo-1,3,2-dioxaphosphinan-2-yl)thiosemicarbazides under mild conditions is reported. The products are isolated as the TRANS-isomer only.


Synthesis | 1999

Studies on cyclic α-aminoalkanephosphonate compounds: A novel synthesis of 2-phenyl-1,4,2-benzoxaza (or diaza)phosphorin 2-oxides

Jia Zhou; Yongge Qiu; Kesheng Feng; Ruyu Chen


Synthesis | 1998

Synthesis of 2-[(Benzyloxycarbonylamino)phenylmethyl]-1,3,2-benzodioxaphosphole 2-Oxides

Qing Dai; Ruyu Chen; Chunxiang Zhang; Zhun Liu


Synthesis | 1991

Synthesis of 9-acetyl-8,9-diaza-1-phosphabicyclo[4.3.0]nona-3,7-dienes by regioselective Diels-Alder reaction of 2H-1,2,3-diazaphospholes with isoprene

Ruyu Chen; Baozhong Cai; Guowei Li


Synthesis | 1990

Studies on the Synthesis of Phosphorus Heterocyles II. Preparation of Some New Tetrahydro-[1,4,3]thiazaphosphorino[3,4-b][1,3,2]benzodiazaphosphorine 12-Oxides

Ruyu Chen; Rong Bao


Synthesis | 1997

A Convenient Synthesis of Phenyl α-(Benzyloxycarbonylamino)benzylphosphinic Acids

Qing Dai; Ruyu Chen


Synthesis | 2012

Lewis Acid Catalyzed DiastereoselectiveVinylogous Mannich Reaction Induced by O-Pivaloylated d-Galactosylamine as the Chiral Auxiliary: StereoselectiveSynthesis of 6-Arylpiperidin-2-ones

Bing Cui; Shasha Kong; Guiping Wu; Zhiwei Miao; Ruyu Chen


Heteroatom Chemistry | 2007

A new convenient way to synthesize 1-hydroxyphosphonates from heterocyclic aldehydes and ketones under microwave irradiation

Dexin Feng; Ruyu Chen; You Huang; Haibin Song


Synthesis | 2004

Simple, Efficient and One-Pot Method for Synthesis of Aminomethylene gem-Diphosphonic Acid Derivatives from Ketones via Beckmann Rearrangement

Mingshu Wu; Ruyu Chen; You Huang


Synthesis | 1999

Facile and Stereospecific Synthesis of cis-3-(N′-Arylureido)-2,3-dihydro-2-phenyl-1,2-Benzoxaphosphole 2-Oxides

Jia Zhou; Yongge Qiu; Kesheng Feng; Ruyu Chen

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Dexin Feng

Chinese Academy of Sciences

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