All articles by Karl Collins
-
-
OpinionFully automated synthesis of fluorine-18 PET tracers
Making radioisotopes suitable for positron emission tomography
-
OpinionTaking benzyl fluorides beyond game changing reports
Decarboxylative cross-coupling to produce benzyl fluorides
-
OpinionExploring nickel reactivity in C–H activation chemistry
Coming closer to an alternative for palladium
-
OpinionStereoselectivity with a twist
Helical ligands amplify solvent chirality to control reaction outcomes
-
Opinion‘Coffee machine’ synthesiser’s first steps
Cartridge-based machine enables non-experts to make heterocycles
-
OpinionIn search of ultimate selectivity
A catalyst that reacts only with aryl iodides, spurning bromides and chlorides
-
OpinionCombining Lewis acid and redox catalysis
Organic phenalenyl cations perform a dual role without transition metals
-
OpinionMaking light work of synthesis
The LED zeppelin is flying high, but is it all hot air asks Karl Collins
-
OpinionKetones perform at the palladium
C–H activation takes the stress out of organometallic couplings
-
OpinionForcing fluorines into shape
Sometimes unnatural molecules can be more challenging to synthesise than natural metabolites
-
OpinionNickel catalyst couples alcohols and carbon dioxide
Flexibility and low cost make nickel a firm favourite in catalysis
-
-
OpinionFunctionalising pyridines with phosphonium salts
Newly-independent research groups often bring new perspectives to synthesis
-
-
OpinionLighting up crowded corners
Combining photocatalysis with organocatalysis opens doors to chiral quaternary centres
-
OpinionAn odd couple
Coupling unactivated phenols with amines requires an unusual approach, as Karl Collins discovers
-
OpinionScratching chiral surfaces
Heterogeneous asymmetric catalysis beyond hydrogenation is tricky, says Karl Collins
-
OpinionA witches’ brew for trifluoromethylation
Karl Collins is surprised by the difficulty of a seemingly simple alkylation
-
OpinionDispelling nickel’s catalytic demons
Stable Ni(IV) complexes could help nickel rival its flashier platinum-group cousins, says Karl Collins