Pheophorbide

Pheophorbide or phaeophorbide is a product of chlorophyll breakdown and a derivative of pheophytin where both the central magnesium has been removed and the phytol tail has been hydrolyzed. It is used as a photosensitizer in photodynamic therapy.^[1]

Pheophorbide a

Names
IUPAC name (3S,4S)-9-Ethenyl-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoic acid
Identifiers
CAS Number	15664-29-6 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:38257
ChemSpider	10343120
ECHA InfoCard	100.036.110
EC Number	239-738-5
KEGG	C18021
PubChem CID	5323510
UNII	IA2WNI2HO2 Y
CompTox Dashboard (EPA)	DTXSID10884550
InChI InChI=1S/C35H36N4O5/c1-8-19-15(3)22-12-24-17(5)21(10-11-28(40)41)32(38-24)30-31(35(43)44-7)34(42)29-18(6)25(39-33(29)30)14-27-20(9-2)16(4)23(37-27)13-26(19)36-22/h8,12-14,17,21,31,36,39H,1,9-11H2,2-7H3,(H,40,41)/b22-12-,23-13-,24-12-,25-14-,26-13-,27-14-,32-30-/t17-,21-,31+/m0/s1 Key: NSFSLUUZQIAOOX-QEWKCGBTSA-N InChI=1/C35H36N4O5/c1-8-19-15(3)22-12-24-17(5)21(10-11-28(40)41)32(38-24)30-31(35(43)44-7)34(42)29-18(6)25(39-33(29)30)14-27-20(9-2)16(4)23(37-27)13-26(19)36-22/h8,12-14,17,21,31,36,39H,1,9-11H2,2-7H3,(H,40,41)/b22-12-,23-13-,24-12-,25-14-,26-13-,27-14-,32-30-/t17-,21-,31+/m0/s1 Key: NSFSLUUZQIAOOX-QEWKCGBTBX
SMILES CCC1=C2C=C3C(=C4C(=O)[C@@H](C(=C5[C@H]([C@@H](C(=N5)C=C6C(=C(C(=CC(=C1C)N2)N6)C=C)C)C)CCC(=O)O)C4=N3)C(=O)OC)C
Properties
Chemical formula	C35H36N4O5
Molar mass	592.68 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Pheophorbide may be generated by digestion of ingested plant matter. Both worm (Caenorhabditis elegans) and mouse mitochondria are able to use the molecule in a form of ad hoc photoheterotrophy.^[2]