H-1 AND C-13 NMR-SPECTRA OF 5-N-ACETYLAMINO-2,2'-BITHIOPHENES AND 5-METHYL-2,2'-BITHIOPHENESH-1 AND C-13 NMR-SPECTRA OF 5-N-ACETYLAMINO-2,2'-BITHIOPHENES AND 5-METHYL-2,2'-BITHIOPHENES
Pyridine-Containing Benzocyclopentaquinolines and Benzacridines and Their Quaternary Salts-benzo[f]cyclopenta[b]quinolin-10-ones and 12-pyridinyl-8,9,11,12-tetrahydrobenzo[
a]acridin-11(7
H)-ones. Quaternary ammonium salts
Crystal structure and Hirshfeld surface analysis of dimethyl (1R∗,3aS∗,3a1R∗,6aS∗,9R∗,9aS∗)-3a1,5,6,9a-tetrahydro-1H,4H,9H-1,3a:6a,9-diepoxyphenalene-2,3-dicarboxylateThe title diepoxyphenalene derivative, C 17
H 18 O 6 , comprises
a fused cyclic system containing
(3aS,4R,5R,6S,7aR)-4,5-Dibromo-2-[4-(trifluoromethyl)phenyl]-2,3,3a,4,5,6,7,7a-octahydro-3a,6-epoxy-1H-isoindol-1-one: Crystal structure and Hirshfeld surface analysisThe asymmetric unit of the title compound, C15
H12Br2F3NO2, consists of two crystallographically