134898-39-8

Basic information

• Product Name: 2-Bromo-2-[2-oxo-2-phenyl-1-(triphenyl-λ⁵-phosphanylidene)-ethyl]-indan-1,3-dione
• Synonyms: 2-Bromo-2-[2-oxo-2-phenyl-1-(triphenyl-λ⁵-phosphanylidene)-ethyl]-indan-1,3-dione
• CAS NO: 134898-39-8
• Molecular Weight: 603.452
• Mol File: 134898-39-8.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2-Bromo-2-[2-oxo-2-phenyl-1-(triphenyl-λ⁵-phosphanylidene)-ethyl]-indan-1,3-dione(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Bromo-2-[2-oxo-2-phenyl-1-(triphenyl-λ⁵-phosphanylidene)-ethyl]-indan-1,3-dione(134898-39-8)
• EPA Substance Registry System: 2-Bromo-2-[2-oxo-2-phenyl-1-(triphenyl-λ⁵-phosphanylidene)-ethyl]-indan-1,3-dione(134898-39-8)

Safety Data

• Hazardous Substances Data: 134898-39-8(Hazardous Substances Data)

Upstream product

• 1685-97-8 2,2-dibromo-indan-1,3-dione 
• 20913-05-7 (Benzoylmethylene)triphenylphosphorane 
• 134898-36-5 [1-(2-Bromo-1,3-dioxo-indan-2-yl)-2-oxo-2-phenyl-ethyl]-triphenyl-phosphonium; bromide 

Downstream Products

• 134898-42-3 2-(1-Bromo-2-oxo-2-phenyl-ethylidene)-indan-1,3-dione 
• 603-35-0 triphenylphosphine 

Relevant articles and documents

REACTION OF WITTIG REAGENTS WITH α,α-DIHALOKETONES. DIBENZOYLMETHANE DIBROMIDE AND 1,3-INDANDIONE DIBROMIDE

Dibenzoylmethane dibromide (5) and 1,3-indandione dibromide (6) react with ylide-phosphoranes 1a-c to give the α,β-unsaturated esters 10 and 13, respectively.All intermediates are isolated and identified.Structures 10 and 13 as well as the intermediates were confirmed by compatible analytical and spectroscopic results.