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Synthesis and mass spectral study of thiourea and thiocarbamiate derivatives from phthalimidoacyl isothiocyanates.

M.M.Hemdan, A.F.Fahmy, N.F.Aly, I.A.Hegazi, A.A.El-Sayed

Phthalimidoacyl isothiocyanates (1a,b) reactedwith aromatic amines or alcohols to give thiourea derivatives (4a-g) or thiocarbamic acid ester derivatives (5a,b) respectively.The electron impact ionization mass spectra of the synthesized compounds were studied. The MS peaks obtained correspond verywellwith their fragmentation patterns.