Ts. Bailey et al., SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF 2,3,5,6-TETRAHYDROPYRROLO[2,1-ALPHA]ISOQUINOLINIUM IODIDE, Australian Journal of Chemistry, 48(8), 1995, pp. 1437-1445
N-Methylation of y-1-(2'-phenylcyclopropyl)-3,4-dihydroisoquinoline (3
b) with iodomethane in refluxing acetone gave the modified Cloke rearr
angement product, methoxy-4-methyl-3-phenyl-2,3,5,6-tetrahyropyrrolo [
2,1-a]isoquinolinium iodide (5b), a new derivative of the pyrrolo[2,1-
a]isoquinoline skeleton, together with the methiodide salt (4b) of (3b
). The structure of (5b) was confirmed by X-ray crystallographic analy
sis.