Chlorophyllide

Chlorophyllide a and Chlorophyllide b are the biosynthetic precursors of chlorophyll a and chlorophyll b respectively. Their propionic acid groups are converted to phytyl esters by the enzyme chlorophyll synthase in the final step of the pathway. Thus the main interest in these chemical compounds has been in the study of chlorophyll biosynthesis in plants, algae and cyanobacteria. Chlorophyllide a is also an intermediate in the biosynthesis of bacteriochlorophylls.

Chlorophyllide

Chlorophyllide a
Names
IUPAC name
Magnesium (3S,4S,21R)-3-(2-carboxyethyl)-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-9-vinyl-23,25-didehydrophorbine-23,25-diide
Identifiers
  • Compounds
  • a: Chlorophyllide a
  • b: Chlorophyllide b
3D model (JSmol)
ChEBI
ChemSpider
PubChem CID
  • a: InChI=1S/C35H36N4O5.Mg/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;/h8,12-14,17,21,31H,1,9-11H2,2-7H3,(H3,36,37,38,39,40,41,42);/q;+2/p-2/t17-,21-,31+;/m0./s1 Y[EBI]
    Key: ANWUQYTXRXCEMZ-NYABAGMLSA-L
  • b: InChI=1S/C35H34N4O6.Mg/c1-7-18-15(3)22-11-23-16(4)20(9-10-28(41)42)32(38-23)30-31(35(44)45-6)34(43)29-17(5)24(39-33(29)30)12-26-19(8-2)21(14-40)27(37-26)13-25(18)36-22;/h7,11-14,16,20,31H,1,8-10H2,2-6H3,(H3,36,37,38,39,40,41,42,43);/q;+2/p-2/t16-,20-,31+;/m0./s1
    Key: QPDWBRHRBKXUNS-IEEIVXFASA-L
SMILES
  • a: CCC1=C(C)C2=Cc3c(C=C)c(C)c4C=C5[C@@H](C)[C@H](CCC(O)=O)C6=[N+]5[Mg--]5(n34)n3c(=CC1=[N+]25)c(C)c1C(=O)[C@H](C(=O)OC)C6=c31
Properties
C35H34MgN4O5
Molar mass 614.973 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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