Results 121 to 130 of about 149,811 (326)

Enantioselective Synthesis of Pachastrissamine (Jaspin B) Using Dirhodium(II)-Catalyzed C-H Amination and Asymmetric Dihydroxylation as Key Steps

, 2007
Takayuki Yakura, Seiichi Sato, Yuya Yoshimoto   +2 more
openalex   +2 more sources

One‐Pot Ruthenium‐Catalyzed Synthesis of Benzyl/Allyl‐Halide Substituted (dihydro)naphthalenes via Radical Benzannulation

ChemistryEurope, EarlyView.
A one‐pot protocol to synthesize reactive benzyl‐ and allyl‐halide‐substituted (dihydro)naphthalenes from 2,3‐aryl‐1,3‐butadiene substrates and halogenated alkanes has been developed, using [Cp*RuCl(PPh3)2] as the catalyst. Mechanistic studies revealed an atom transfer radical addition and radical benzannulation sequence, followed by HCl elimination ...
Nicole S. van Leeuwen, David Vesseur, Thijmen Bonhoff, Jeffrey van Laar, Coert E. J. van Lare, Simon Mathew, Sonja Pullen, Joost N. H. Reek, Aalbert Zwijnenburg, Bas de Bruin   +9 more
wiley   +1 more source

Ser67Asp and His68Asp Substitutions in Candida parapsilosis Carbonyl Reductase Alter the Coenzyme Specificity and Enantioselectivity of Ketone Reduction

, 2009
Rongzhen Zhang, Yan Xu, Ying Sun, Wenchi Zhang, Rong Xiao   +4 more
openalex   +2 more sources

Gold(I)‐Catalyzed Domino Cyclization for the Construction of Trispirocyclic Cyclohexanes

ChemistryEurope, EarlyView.
We describe herein a series of intricate trispirocyclic architectures that have been synthesized from readily available substrates through an operationally simple one‐pot transformation under mild conditions. An unprecedented gold(I)‐catalyzed domino cyclization involving 2‐ethynylbenzyl alcohol derivatives and heterocyclic α,β‐unsaturated imines ...
Manon Genet, Jérôme Marrot, Isabelle Chataigner, Xavier Moreau   +3 more
wiley   +1 more source

Enantioselective Synthesis of Sulfinamidines via Asymmetric Rhodium–Catalyzed Imidation of Sulfenamides

ChemistryEurope, EarlyView.
In this work, a catalytic enantioselective imidation approach is presented for the preparation of enantioenriched sulfinamidines from sulfenamides, employing a chiral dirhodium(II) tetracarboxylate catalyst. This method enables the imidation of N,N‐bisalkyl sulfenamides in yields of up to 98% and enantiomeric ratios up to 98:2, with a catalyst loading ...
Michael Andresini, Théo Bissonnier, Juline Courtois, Pascal Retailleau, Benjamin Darses, Jean‐François Poisson, Tanguy Saget, Philippe Dauban   +7 more
wiley   +1 more source

Enantioselective Direct α-Amination of Aromatic Ketones Catalyzed by Binaphthyl-Modified Primary Amine

, 2013
Young Jo Lim, Dae Young Kim
openalex   +2 more sources

Association Between D‐amino Acids in Natto (fermented soybeans) and Kidney Dysfunction

ChemFoodChem, EarlyView.
XX XX ABSTRACT In this study, we examined clinical and cohort data to explore the potential renoprotective effects of natto (fermented soybeans) consumption and its relationship with D‐amino acids. In a clinical study, ten healthy adults consumed one 40‐g pack of natto three times in a single day, and plasma and urine samples were collected 1 h and 24 ...
Yusuke Nakade, Tadashi Toyama, Akinori Hara, Shigefumi Okamoto, Hiroaki Masuoka, Wataru Suda, Masashi Mita, Yuna Miyajima, Keishi Mizuguchi, Takeo Yuno, Hiroka Yamazaki, Hiroki Ohtani, Hoang Thuy Linh, Megumi Oshima, Miho Shimizu, Norihiko Sakai, Hiromasa Tsujiguchi, Hiroyuki Nakamura, Yasunori Iwata, Takashi Wada   +19 more
wiley   +1 more source

Synthesis of α‐N‐Heteroaryl Ketones by Nickel‐Catalyzed Chemo‐, Regio‐ and Enantioselective Carbonylation of Alkenes and N‐Alkenyl Heteroarenes [PDF]

Xiaoyi Chen, Qiong Yu, Wei Shu
openalex   +1 more source

Temperature-controlled bidirectional enantioselectivity in a dynamic catalyst for asymmetric hydrogenation.

Angewandte Chemie, 2015
Golo Storch, O. Trapp
semanticscholar   +1 more source

Shedding Light on Synthetic Autocatalysis: From Conventional Closed‐Shell Chemistries to Overlooked Open‐Shell Occurrences

Chemistry – A European Journal, EarlyView.
Why add another catalyst when the product itself holds the power to catalyze its own formation? Autocatalysis in synthetic chemistry enhances reaction efficiency and uncovers novel catalytic behavior across both closed‐shell and open‐shell systems, expanding reactivity and enabling innovative design strategies.
Jaspreet Kaur, Joshua P. Barham
wiley   +1 more source