Studies on Indigoid Dyes: Part VII. 2-(6-Iodo) thionaphthene- acenaphthylene Indigos and 2-(6-Iodo) thionaphthene-3' indole Indigos

Main Authors: Ajoy Kumar Das, Arun Kumar Sinha
Format: Article
Bahasa: eng
Terbitan: , 1967
Subjects:
Online Access: https://zenodo.org/record/6519513
Daftar Isi:
  • Twelve thioindigoid dyes have been prepared by the condensation of 6-lodothioindoxyl with various o-diketones. 6:6'—Diiodothioindigo has also been prepared. Dyeing and other properties of the dyer have been studied and compared with the of the isomeric 5-iodo and 7-iodo substituted dyes.