Results 81 to 90 of about 17,231 (260)

Synthesis, Structure, and Activity of Enhanced Initiators for Olefin Metathesis [PDF]

, 2003
A series of ruthenium olefin metathesis catalysts of the general structure (H_2IMes)(PR_3)(Cl)_2Ru CHPh (H_2IMes = 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene) have been prepared; these complexes are readily accessible in two steps from commercially ...
Day, Michael W., Grubbs, Robert H., Love, Jennifer A., Sanford, Melanie S.   +3 more
core   +1 more source

Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review

Advanced Robotics Research, EarlyView.
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj, Quan‐Chen Song, Jia‐Yang Juang   +2 more
wiley   +1 more source

Synthesis of indole-based propellane derivatives via Weiss–Cook condensation, Fischer indole cyclization, and ring-closing metathesis as key steps

Beilstein Journal of Organic Chemistry, 2013
A variety of highly functionalized indole-based [n.3.3]propellane derivatives is described. The synthesis of the propellane derivatives involves a Weiss–Cook condensation, a Fischer indole cyclization, and a ring-closing metathesis as key steps.
Sambasivarao Kotha, Ajay Kumar Chinnam, Arti Tiwari   +2 more
doaj   +1 more source

Stereoselective synthesis of hydroxylated 3-aminoazepanes using a multi-bond forming, three-step tandem process [PDF]

, 2012
A multi-bond forming, three-step tandem process involving a palladium(II)-catalysed Overman rearrangement and a ring closing metathesis reaction has been utilised for the efficient synthesis of a 2,3,6,7-tetrahydro-3-amidoazepine.
Ahmad, Ahmad, Anderson, Anderson, Anderson, Andrew Sutherland, Bernstein, Blades, Blanchette, Cant, Cardillo, Chapman, Cini, Cook, Cutri, Cutri, Delmore, Donohoe, Donohoe, Donohoe, Elhalem, Fürstner, Gilmet, Henbest, Horbal, Ireland, Jobson, Jobson, Kantorowski, Kazi, Kulanthaivel, Kurihara, Lampe, Louvel, Maier, Masse, McGonagle, Miyabe, Miyabe, Moriwake, Nicolaou, Nomura, O'Brien, Overman, Pimlott, Riber, Sajjad Ahmad, Sanford, Scholl, Schwab, Schwab, Srivastava, Stevens, Swift, Swift, Tietze, Trost, Valle, Watson, Würdemann, Yar, Yaragorla, Yet, Zaed   +63 more
core   +1 more source

The Role of Ionic Liquids at the Biological Interfaces in Bioelectronics

Advanced Science, EarlyView.
Ionic liquids (ILs) are highlighted as key artificial ionic materials that bridge biological ion‐based signaling and electronic devices. By understanding their composition, structure, function relationships, and mechanisms, ILs can advance from high performance electrolyte to core materials enabling integrated, multifunctional bioelectronics for ...
Yeong‐sinn Ye, Young Jin Jo, Ji Yeon Oh, Ju Yeon Jeong, Lili Guo, Tae‐il Kim   +5 more
wiley   +1 more source

A short stereoselective synthesis of (+)-(6R,2′S)-cryptocaryalactone via ring-closing metathesis

Beilstein Journal of Organic Chemistry, 2009
A short stereoselective synthesis of (+)-(6R,2′S)-cryptocaryalactone was successfully completed. Key steps included the application of Carreira’s asymmetric alkynylation reaction to form a propargylic alcohol and subsequently lactone formation using the ...
Palakodety Radha Krishna, Krishnarao Lopinti, K. L. N. Reddy   +2 more
doaj   +1 more source

Total Synthesis of Tulearin C

, 2011
With the help of the smaller brother: Although alkyne metathesis will always be the little brother of alkene metathesis, it allows problems to be solved that are currently beyond reach of the more famous sibling.
Fürstner, A., Gabor, B., Lehr, K., Leseurre, L., Mariz, R.   +4 more
core   +1 more source

One-pot synthesis of 5-amino-2,5-dihydro-1-benzoxepines: access to pharmacologically active heterocyclic scaffolds [PDF]

, 2015
A one-pot multibond-forming process involving a thermally mediated Overman rearrangement and a ring closing metathesis reaction of allylic trichloroacetimidates bearing a 2-allyloxyaryl group has been developed for the synthesis of 5-amino-substituted 2 ...
Calder, Ewen D.D., McGonagle, Fiona I., Sharif, Salaheddin A.I., Sutherland, Andrew   +3 more
core   +2 more sources

Chemical Upcycling of Polyphenylene Sulfide at Room Temperature

Advanced Science, EarlyView.
Poly(phenylene sulfide) (PPS) is a semi‐crystalline super engineering plastic with exceptional properties. An iron‐photocatalyzed strategy is reported for chemical upcycling of PPS plastics at room temperature using 1,2‐dichloroethane. The method demonstrates remarkable efficiency across diverse PPS resins and post‐consumer composites, even within ...
Boning Gu, Chengliang Li, Xuefeng Jiang
wiley   +1 more source

Tandem ring-closing metathesis reaction with a ruthenium catalyst containing a N-heterocyclic ligand [PDF]

, 2001
The highly active catalyst 2 was used in tandem RCM to make molecules with various ring systems containing α,β-unsaturated carbonyl ...
Choi, Tae-Lim, Grubbs, Robert H.
core   +1 more source