A small organic moleculeCSORG5developed as non fullerene acceptor for BHJ solar cells. The device based on P3HT : CSORG5(1 : 1) spin coated from DIO/THF showed high PCE 2.80% compared to spin coated from THF. The PCE has been further increased to 4.16%, when the TiO2film was inserted between the active layer and Al electrode.
An efficient one-step a-functionalization of tetrahydroquinoline under mild conditions is achieved. The direct oxidative copper-catalyzed dehydrogenative cross C(sp 3 )ÀC(sp 2 ) couplings of tetrahydroquinolines and indoles produced the products in aqueous and open air medium. The use of inexpensive copper catalyst, water solvent, easy to operate open air condition combined with the most step and atom economic features qualify the CDC reaction for a green process.
A one-pot three-component reaction of o-formyl carbamate, a primary amine, a nucleophile (1H-indole or 2-napthol) in water generated a variety of functionalised 3,4-dihydroquinazolin-2(1H)-one derivatives.
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