Pyropheophorbide b

Base Information

• Chemical Name: Pyropheophorbide b
• CAS No.: 77331-75-0
• Molecular Formula: C₅₃H₇₀N₄O₄
• Molecular Weight: 827.163
• Mol file: 77331-75-0.mol

Synonyms:3-Phorbinepropanoicacid, 9-ethenyl-14-ethyl-13-formyl-4,8,18-trimethyl-20-oxo-,(2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecenyl ester, (3S,4S)- (9CI);3-Phorbinepropanoic acid,9-ethenyl-14-ethyl-13-formyl-4,8,18-trimethyl-20-oxo-,3,7,11,15-tetramethyl-2-hexadecenyl ester, [3S-[3a(2E,7S*,11S*),4b]]-; Pyropheophytin b

Chemical Property of Pyropheophorbide b

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of Pyropheophorbide b

There total 2 articles about Pyropheophorbide b which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 75.0%

71-hydroxy-pyropheophytin-a → pyropheophytin-b (77331-75-0)

Guidance literature:

With dipyridinium dichromate; In benzene; at 20 ℃; for 3h;

DOI:10.1016/S0040-4020(00)00590-1

Reference yield:

7-deformyl-7-hydroxymethyl-pheophytin b/b' → pyropheophytin-b (77331-75-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 66 percent / various solvent(s) / Heating

2: 45 percent / pyridinium chlorochromate / CH₂Cl₂ / Ambient temperature

With pyridinium chlorochromate; In dichloromethane;

DOI:10.1246/bcsj.70.1905