“…A search of the Cambridge Structural Database (Version 5.39, last update November 2017; Groom et al, 2016) revealed closely related compounds that differ in the donor substituents: 1-(4-nitrophenyl)-3-(pyren-1-yl)prop-2-en-1-one (Yu et al, 2017), 3-(2-furyl)-1-(4-nitrophenyl)prop-2-en-1-one) (Patil et al, 2006) and 1-(4-nitrophenyl)-3-(2-thienyl)prop-2-en-1one (Teh et al, 2006) with pyrene, furan and thiophene donor substituent rings. Other related compounds include (2E)-3-(2methylphenyl)-1-(4-nitrophenyl)prop-2-en-1-one (Prabhu et al, 2015) and 3-(4-methoxyphenyl)-1-(4-nitrophenyl)prop-2en-1-one (Patil et al, 2006).…”