Cite

    Rostam Ali Molla et al.. “Nitrogen enriched mesoporous organic polymer anchored copper(ii) material: an efficient and reusable catalyst for the synthesis of esters and amides from aromatic systems1.” Dalton transactions, vol. 44, no. 14, 2015, pp. 6546–6559. http://access.bl.uk/ark:/81055/vdc_100026011774.0x000018