25465-77-4
25465-77-4 structure
- Name: Purpurin 18
- Chemical Name: Purpurin 18
- CAS Number: 25465-77-4
- Molecular Formula: C33H32N4O5
- Molecular Weight: 564.631
- Catalog: Research Areas Others
- Create Date: 2018-09-20 18:10:43
- Modify Date: 2025-08-23 12:29:54
-
Purpurin 18, a derivative of chlorophyll, is an interesting dihydroporphyrin for generating photosensitizers[1].
| Name | Purpurin 18 |
|---|---|
| Synonyms |
(17S-trans)-18-(2-Carboxyethyl)-12-ethenyl-7-ethyl-17,18-dihydro-3,8,13,17-tetramethyl-21H,23H-porphine-2,20-dicarboxylic acid cyclic 2,20-anhydride
3-[(1E,10Z,15Z,19Z,22S,23S)-12-Ethyl-13,18,22,27-tetramethyl-3,5-dioxo-17-vinyl-4-oxa-8,24,25,26-tetraazahexacyclo[19.2.1.1.1.1.0]heptacosa-1,6,9(27),10,12,14(26),15,17,19,21(24)-decaen-23-yl]propanoic acid (15S,16S)-10-Ethenyl-5-ethyl-16,18-dihydro-6,11,15,22-tetramethyl-18,20-dioxo-15H,20H-4,7:14,17-diimino-2,21-metheno-9,12-nitrilopyrano[4,3-b]azacyclononadecine-16-propanoic Acid (17S,18S)-18-(2-Carboxyethyl)-12-vinyl-7-ethyl-17,18-dihydro-3,8,13,17-tetramethyl-21H,23H-porphyrin-2,20-dicarboxylic acid 2,20-anhydride 3-[(1E,10Z,15Z,19Z,22S,23S)-12-Ethyl-13,18,22,27-tetramethyl-3,5-dioxo-17-vinyl-4-oxa-8,24,25,26-tetraazahexacyclo[19.2.1.1.1.1.0]heptacosa-1,6,9(27),10,12,14(26),15,17,19,21(2 4)-decaen-23-yl]propanoic acid Purpurin a Purpurin-18 |
| Description | Purpurin 18, a derivative of chlorophyll, is an interesting dihydroporphyrin for generating photosensitizers[1]. |
|---|---|
| Related Catalog | |
| References |
[1]. NicolasDrogat, et al. High yield preparation of purpurin-18 from Spirulina maxima. Dyes and Pigments |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 1046.1±65.0 °C at 760 mmHg |
| Molecular Formula | C33H32N4O5 |
| Molecular Weight | 564.631 |
| Flash Point | 586.5±34.3 °C |
| Exact Mass | 564.237244 |
| PSA | 136.97000 |
| LogP | 5.93 |
| Vapour Pressure | 0.0±0.3 mmHg at 25°C |
| Index of Refraction | 1.642 |