Studies in Indigoid Dyes. Part XXIII. Thioindigoid Dyes Derived from Dibenzofuran-2,8-disulphonic Acid
| Main Authors: | Paresh Chandra Dutta, Dasrath Mandal |
|---|---|
| Format: | Article Journal |
| Bahasa: | eng |
| Terbitan: |
, 1962
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6526694 |
Daftar Isi:
- 2,3-8,7-Dibenzofurano-bis-3'-hydroxy-1'-thiophene has been prepared for the first time starting from dibenzufuran-2,8-disulphonic acid and condensed with various o-diketones to form indigoid dyes with the object of studying colour and its relation to chemical constitution.