Search Results - "Chai, Zhuo"

Pd(II)/Brønsted Acid Catalyzed Enantioselective Allylic C–H Activation for the Synthesis of Spirocyclic Rings by Chai, Zhuo, Rainey, Trevor J

“…A Pd­(II)/Brønsted acid catalyzed migratory ring expansion for the synthesis of indene derivatives possessing a stereogenic spirocyclic carbon center was…”
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Lewis Acid Catalyzed Dynamic Kinetic Asymmetric Transformation of Racemic N‑Sulfonylaziridines by Yang, Pei-Jun, Qi, Ling, Liu, Zhen, Yang, Gaosheng, Chai, Zhuo

“…The first Lewis acid catalyzed stereoconvergent transformation of racemic 2-(hetero)­aryl-N-sulfonylaziridines via C–N bond cleavage with nucleophiles is…”
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Asymmetric cyanation of imines via dipeptide-derived organophosphine dual-reagent catalysis by Wang, Hong-Yu, Zheng, Chang-Wu, Chai, Zhuo, Zhang, Jia-Xing, Zhao, Gang

“…Over the past few decades, enantioselective phosphine organocatalysis has evolved rapidly into a highly efficient catalytic strategy for a range of useful…”
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Novel bifunctional thiourea–ammonium salt catalysts derived from amino acids: application to highly enantio- and diastereoselective aza-Henry reaction by Wang, Hong-Yu, Chai, Zhuo, Zhao, Gang

“…The development of new efficient and easily accessible catalysts has been one of the focuses in asymmetric phase-transfer catalysis. In this paper, a novel…”
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Asymmetric [3+2] Cycloadditions of Allenoates and Dual Activated Olefins Catalyzed by Simple Bifunctional N-Acyl Aminophosphines by Xiao, Hua, Chai, Zhuo, Zheng, Chang-Wu, Yang, Ying-Quan, Liu, Wen, Zhang, Jun-Kang, Zhao, Gang

“…Bifunctional catalyst: Simple bifunctional N‐Acyl aminophosphines such as 1 were developed to catalyze the first asymmetric [3+2] cycloaddition between…”
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Et2Zn-Catalyzed Intramolecular Hydroamination of Alkynyl Sulfonamides and the Related Tandem Cyclization/Addition Reaction by Yin, Yan, Ma, Wenying, Chai, Zhuo, Zhao, Gang

“…Intramolecular hydroamination of alkynyl amides was effected by a catalytic amount of Et2Zn (20 mol %) to form indole derivatives, and a tandem…”
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Asymmetric Dual-Reagent Catalysis: Mannich-type Reactions Catalyzed by Ion Pair by Wang, Hong-Yu, Zhang, Kai, Zheng, Chang-Wu, Chai, Zhuo, Cao, Dong-Dong, Zhang, Jia-Xing, Zhao, Gang

“…The combination of a new bifunctional phosphine and an acrylate generate a zwitterion in situ and it serves as an efficient catalyst for asymmetric reactions…”
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Novel variations in TENT5D lead to teratozoospermia in infertile patients by Zhang, Ying‐Teng, Shen, Gan, Zhuo, Liang‐Chai, Yang, Xue, Wang, Su‐Yan, Ruan, Tie‐Chao, Jiang, Chuan, Wang, Xiang, Wang, Yan, Yang, Yi‐Hong, Shen, Ying

“…Purpose Teratozoospermia is the main pathogenic factor of male infertility. However, the genetic etiology of teratozoospermia is largely unknown. This study…”
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Bifunctional N-Acyl-Aminophosphine-Catalyzed Asymmetric [4+2] Cycloadditions of Allenoates and Imines by Xiao, Hua, Chai, Zhuo, Wang, Hai-Feng, Wang, Xiao-Wei, Cao, Dong-Dong, Liu, Wen, Lu, Ying-Peng, Yang, Ying-Quan, Zhao, Gang

“…Try bifunctional aminophosphines! An asymmetric organocatalytic [4+2] cycloaddition between α‐substituted allenoates and tosylaldimines using bifunctional…”
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Asymmetric α-amination of 3-substituted oxindoles using chiral bifunctional phosphine catalysts by Jin, Qiao-Wen, Chai, Zhuo, Huang, You-Ming, Zou, Gang, Zhao, Gang

“…A highly enantioselective α-amination of 3-substituted oxindoles with azodicarboxylates catalyzed by amino acids-derived chiral phosphine catalysts is…”
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Asymmetric Synthesis of Fluorinated Flavanone Derivatives by an Organocatalytic Tandem Intramolecular Oxa-Michael Addition/Electrophilic Fluorination Reaction by Using Bifunctional Cinchona Alkaloids by Wang, Hai-Feng, Cui, Hai-Feng, Chai, Zhuo, Li, Peng, Zheng, Chang-Wu, Yang, Ying-Quan, Zhao, Gang

“…A bifunctional quinidine derivative, containing a trifluoromethyl group, was found to catalyze a tandem intramolecular oxa‐Michael addition/electrophilic…”
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Enantioselective Synthesis of Functionalized Fluorinated Cyclohexenones via Robinson Annulation Catalyzed by Primary−Secondary Diamines by Cui, Hai-Feng, Yang, Ying-Quan, Chai, Zhuo, Li, Peng, Zheng, Chang-Wu, Zhu, Shi-Zheng, Zhao, Gang

“…Primary−secondary diamine catalysts were used to catalyze the asymmetric Robinson annulation to synthesize multiply substituted fluorinated chiral…”
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High Impact Resistance Epoxy Resins by Incorporation of Quadruply Hydrogen Bonded Supramolecular Polymers by Chai, Zhuo-ye, Xie, Zhong, Zhang, Peng, Ouyang, Xiao, Li, Rui, Gao, Shan, Wei, Hao, Liu, Lian-he, Shuai, Zhi-jun

“…A bisphenol A based epoxy was incorporated with a quadruply hydrogen bonded supramolecular polymer as a toughening agent to prepare a composite epoxy resin…”
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Bifunctional cinchona alkaloids-catalyzed asymmetric [4+2] cycloaddition reaction of β,γ-unsaturated α-keto esters with oxazolones by Ying, Yin, Chai, Zhuo, Wang, Hai-Feng, Li, Peng, Zheng, Chang-Wu, Zhao, Gang, Cai, Yue-Peng

“…A highly enantioselective [4+2] cycloaddition reaction of β,γ-unsaturated α-keto esters with oxazolones was realized with readily available cinchona alkaloids…”
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Facile Stereoselective Synthesis of Fluorinated Flavanone Derivatives via a One-Pot Tandem Reaction by Cui, Haifeng, Li, Peng, Chai, Zhuo, Zheng, Changwu, Zhao, Gang, Zhu, Shizheng

“…A series of fluorinated flavanones were synthesized in moderate to good yields with excellent diastereoselectivities under mild reaction conditions via a…”
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Tandem Addition/Cyclization Reaction of Organozinc Reagents to 2-Alkynyl Aldehydes:  Highly Efficient Regio- and Enantioselective Synthesis of 1,3-Dihydroisobenzofurans and Tetrasubstituted Furans by Chai, Zhuo, Xie, Zheng-Feng, Liu, Xin-Yuan, Zhao, Gang, Wang, Ji-De

“…The enantioselective addition of organozinc reagents to some 2-alkynyl benzaldehydes and the subsequent regioselective cyclization step was performed in one…”
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Highly enantioselective synthesis of α-fluoro-α-nitro esters via organocatalyzed asymmetric Michael addition by Cui, Hai-Feng, Li, Peng, Wang, Xiao-Wei, Chai, Zhuo, Yang, Ying-Quan, Cai, Yue-Peng, Zhu, Shi-Zheng, Zhao, Gang

“…Primary amines catalyzed the asymmetric Michael addition of ethyl 2-fluoro-2-nitroacetate to enones to provide chiral α-fluoro-α-nitro ester ketones with two…”
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Pd-catalyzed direct arylation of 3-fluorofurans utilizing the neighboring effect of fluorine atom: facile synthesis of tetrasubstituted monofluoro furans by Li, Peng, Chai, Zhuo, Zhao, Gang, Zhu, Shi-Zheng

“…Pd-catalyzed direct arylation of 3-fluorofurans with a variety of aryl bromides was facilitated by the neighboring effect of fluorine atom to provide…”
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Highly Effective and Recyclable Dendritic Ligands for the Enantioselective Aryl Transfer Reactions to Aldehydes by Liu, Xin yuan, Wu, Xiao yu, Chai, Zhuo, Wu, Yong yong, Zhao, Gang, Zhu, Shi zheng

“…A series of chiral pyrrolidinylmethanol-based dendritic ligands were synthesized for application in enantioselective aryl transfer reactions to aldehydes with…”
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Facile Synthesis of Monofluoro γ -Lactones and Pyrrolidine Derivatives via Electrophilic Fluorination of Allenoic Acids and Amides by CUI, Haifeng, CHAI, Zhuo, ZHAO, Gang, ZHU, Shizheng

“…A convenient method to synthesize a series of monofluoro γ‐lactones and pyrrolidine derivatives in moderate to good yields via the electrophilic fluorination…”
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