Results 191 to 200 of about 62,855 (239)

Enantioselective Total Synthesis of Two Aromatized Halicyclamines. [PDF]

J Am Chem Soc
Firestone ZD, Grigolo TA, Pernichelle FG, Smith JM.   +3 more
europepmc   +1 more source

The specificity and structure of DNA cross-linking by the gut bacterial genotoxin colibactin. [PDF]

Science
Carlson ES, Haslecker R, Lecchi C, Aguilar Ramos MA, Vennelakanti V, Honaker L, Stornetta A, Millán ES, Johnson BA, Kulik HJ, Balbo S, Villalta PW, D'Souza VM, Balskus EP.   +13 more
europepmc   +1 more source

Modular Synthesis of Substituted Lactams via a Deoxygenative Photochemical Alkylation-Cyclization Cascade of Secondary Amides in Flow. [PDF]

JACS Au
Diprima D, Paulsen TT, Pulcinella A, Bonciolini S, Gabbey AL, Stuhr R, Poulsen TB, Noël T.   +7 more
europepmc   +1 more source

Tryptophan Bioconjugation through Auxiliary Boron-Accelerated, Additive-Free Friedel-Crafts Alkylation. [PDF]

JACS Au
Uzoewulu CP, Joyner EC, Thuan JC, Rose K, Colella BM, Nizam ZM, Ishizawa S, Meguro Y, Enomoto M, Ohata J.   +9 more
europepmc   +1 more source

Assembly strategy for thieno[3,2-<i>b</i>]thiophenes via a disulfide intermediate derived from 3-nitrothiophene-2,5-dicarboxylate. [PDF]

Beilstein J Org Chem
Irgashev RA.
europepmc   +1 more source

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Alkylating enzymes

Current Opinion in Chemical Biology, 2013
Chemospecific and regiospecific modifications of natural products by methyl, prenyl, or C-glycosyl moieties are a challenging and cumbersome task in organic synthesis. Because of the availability of an increasing number of stable and selective transferases and cofactor regeneration processes, enzyme-assisted strategies turn out to be promising ...
Ludger A Wessjohann, Jeanette Keim, Benjamin Weigel, Martin Dippe   +3 more
openaire   +2 more sources

Alkyl Glucosides

Dermatitis, 2017
Alkyl glucosides are surfactants synthesized through the condensation of long-chain fatty alcohols and glucose, extracted from vegetal, renewable sources. Although available for more than 4 decades, they have been rediscovered in recent years because of their eco-friendly character.
Maisa, Alfalah, Camille, Loranger, Denis, Sasseville   +2 more
openaire   +2 more sources

Guanidine Alkylation

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
I. A. Larionova, A. V. Golounin, V. A. Sokolenko   +2 more
openaire   +1 more source

Reductive alkyl–alkyl coupling from isolable nickel–alkyl complexes

Nature
The selective cross-coupling of two alkyl electrophiles to construct complex molecules remains a challenge in organic synthesis1,2. Known reactions are optimized for specific electrophiles and are not amenable to interchangeably varying electrophilic substrates that are sourced from common alkyl building blocks, such as amines, carboxylic acids and ...
Samir Al Zubaydi, Shivam Waske, Volkan Akyildiz, Hunter F. Starbuck, Mayukh Majumder, Curtis E. Moore, Dipannita Kalyani, Christo S. Sevov   +7 more
openaire   +3 more sources

Alkyl Isosteres

Journal of the American Chemical Society, 2018
By substituting an ER3- unit (E = Group 13 element) or E'R3+ (E' = Group 15 element) for CR3 one gets to methyl isosteres, compounds analogous to alkyls and isoelectronic or iso-valence-electronic to them. The substituent charge can be used to stabilize countercharged aromatic systems; some compounds of this type are known.
Priyakumari Chakkingal Parambil, Roald Hoffmann   +1 more
openaire   +2 more sources