Results 121 to 130 of about 20,349 (227)
Ring Expansion via Olefin Metathesis
Journal of the American Chemical Society, 2002 Various macrocycles were prepared in one step by a novel ring-expansion method using olefin metathesis.
Lee, Choon Woo +2 more
openaire +3 more sources
Oil & Gas Science and Technology, 2016 Tungsten-hexa-methyl readily reacts with B(C6F5)3 in dichloromethane and generates the corresponding well-defined cationic tungsten-penta-methyl complex which was identified precisely by 1H NMR, 13C NMR, 1H-13C NMR correlation spectroscopy.
Dey Raju +7 more
doaj +1 more source
trans-Ethylenedi-p-phenylene diacetate
Acta Crystallographica Section E, 2009 The centrosymmetric title compound, C18H26O4, was prepared in high yield from 4-acetoxystyrene via Ru-catalysed homo-olefin metathesis. Exclusive formation of the E-configurated isomer was observed.
Stefanie Ritter +3 more
doaj +1 more source
Calixarene-based molecular capsule from olefin metathesis
Acta Crystallographica Section E, 2013 The reaction of tetrakis(allyloxy)calix[4]arene with the first-generation Grubbs catalyst, followed by catalytic hydrogenation, gave the novel bis-calixarene 15,20,46,51,64,69,74,79-octaoxatridecacyclo[32.28.8.83,28.113,53.122,44.09,14.021,26.038,70.040 ...
Shimelis T. Hailu +3 more
doaj +1 more source
Synthesis of a Carbon‐Linked Acyldepsipeptide Derivative
European Journal of Organic Chemistry, Volume 29, Issue 15, 22 April 2026.The synthesis of a methylene‐linked acyldepsipeptide (ADEP) is reported. Success relied upon an improve method to generate a versatile vinyl glycine methyl ester synthon and a rationally optimized Grubb’s metathesis. NMR and in silico studies revealed an unusual trans–trans proline orientation for this new unnatural ADEP analog, advancing the ...
Katelyn G. Stevens-Davis +6 more
wiley +1 more source
trans-1,2-Bis(3,5-dimethoxyphenyl)ethene
Acta Crystallographica Section E, 2009 The title compound, C18H20O4, was prepared in high yield from 3,5-dimethoxystyrene via a Ru-catalysed homo-olefin metathesis. Exclusive formation of the E-configurated isomer was observed. Interestingly, one symmetric unit contains two molecules adopting
Stefanie Ritter +3 more
doaj +1 more source
Z-Selectivity in Olefin Metathesis with Chelated Ru Catalysts: Computational Studies of Mechanism and Selectivity [PDF]
, 2012 The mechanism and origins of Z-selectivity in olefin metathesis with chelated Ru catalysts were explored using density functional theory. The olefin approaches from the “side” position of the chelated Ru catalysts, in contrast to reactions with previous ...
Dong, Xiaofei +6 more
core +1 more source
Initiation of Olefin Metathesis: Reaction of Deca-2,8-diene with Catalysts formed from Me_4Sn-WC1_6 and Me_3Al_2Cl_3-(Ph_3P)_2(NO)_2Cl_2Mo [PDF]
, 1977 The initial product of the metathesis of deca-2,8-diene with metathesis catalysts formed from either Me_4Sn–WCl_6 or Me_3Al_2Cl_3–(Ph_3P)_2(NO)_2Cl_2Mo is propene; labelling of the terminal groups of the diene and the alkylating agents gives a labelling ...
Grubbs, Robert H., Hoppin, Charles R.
core
Chemistry – A European Journal, Volume 32, Issue 14, 15 April 2026.Fluorinated poly(pyridyl)borates have been utilized to stabilize rhodium‐diene complexes and as supporting ligands in rhodium‐catalyzed redox‐neutral C–C silylation of cyclopropyl acetates, producing silicon‐containing heterocyclic products, dioxasilolanes.
Vo Quang Huy Phan +3 more
wiley +1 more source
Back to the Electrofuture: Named Reactions Powered by Electroorganic Syntheses
ChemSusChem, Volume 19, Issue 7, 14 April 2026.Bridging classical named reactions with modern electroorganic chemistry, this review presents how electrochemical strategies can revive and reinterpret historically significant transformations, highlighting their emerging potential as sustainable alternatives in contemporary organic synthesis.
Debajit Maiti +4 more
wiley +1 more source