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 |
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Format: | Article |
Bahasa: | eng |
Terbitan: |
, 1967
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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.