Organic Chemistry

70 Molten salts at intermediate temperatures enable efficient carbonate-promoted carboxylation of very weakly acidic C–H bonds, revealing a new way to transform inedible biomass and carbon dioxide into valuable feedstock chemicals.

69 Asymmetric copper-catalyzed C-N cross-couplings induced by visible light.

68 Organometallic palladium reagents for cysteine bioconjugation.

67 Iron-catalysed tritiation of pharmaceuticals.

66 Network-analysis-guided synthesis of weisaconitine D and liljestrandinine.

65 Efficient green methanol synthesis from glycerol.

64 An encapsulating catalyst accelerates carbon-carbon bond formation from transition metal complexes within its cavity.

63 Total synthesis of palau’amine.

62 Hydrogenation of carboxylic acids with a homogeneous cobalt catalyst.

61 A concise synthesis of (+)-batzelladine B from simple pyrrole-based starting materials.

60 Conversion of alcohols to enantiopure amines through dual-enzyme hydrogen-borrowing cascades.

59 Site-selective arene C-H amination via photoredox catalysis.

58 Cationic mononuclear ruthenium carboxylates as catalyst prototypes for self-induced hydrogenation of carboxylic acids.

57 An inorganic ring-shaped compound manifests electronic stabilization properties analogous to benzene’s.

56 A method to form carbon-nitrogen bonds via nitro group reduction could streamline synthetic routes in medicinal chemistry.

55 Self-assembly of dynamic orthoester cryptates.

54 Total synthesis of (+)-gelsemine via an organocatalytic Diels–Alder approach.

53 Synthesis of many different types of organic small molecules using one automated process.

52 Carbon–carbon bond activation of cyclobutenones enabled by the addition of chiral organocatalyst to ketone.

51 Metal-catalysed azidation of tertiary C–H bonds suitable for late-stage functionalization.

50 A catalyst to selectively reverse a common chemical reaction offers versatile opportunities in molecular synthesis.

49 One-pot room-temperature conversion of cyclohexane to adipic acid by ozone and UV light.

48 Crystalline-gradient polycarbonates prepared from enantioselective terpolymerization of meso-epoxides with ​CO2.

47 Iron catalysed direct alkylation of amines with alcohols.

46 Formic-acid-induced depolymerization of oxidized lignin to aromatics.

45 A network of sodium and magnesium ions helps direct double deprotonation of aryl rings.

44 Graphenes in the absence of metals as carbocatalysts for selective ​acetylene hydrogenation and alkene hydrogenation.

43 Assembly-line synthesis of organic molecules with tailored shapes.

42 Highly active copper-ceria and copper-ceria-titania catalysts for methanol synthesis from CO2.

41 Combining two catalysts, one light-activated, facilitates bond formation between saturated and unsaturated carbons.

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