88652-80-6

Basic information

• Product Name: (1RS,2RS)-1,2-diphenyl-2-diphenylphosphinoylmethan-1-ol
• CAS NO: 88652-80-6
• Molecular Weight: 398.441
• Mol File: 88652-80-6.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: (1RS,2RS)-1,2-diphenyl-2-diphenylphosphinoylmethan-1-ol(CAS DataBase Reference)
• NIST Chemistry Reference: (1RS,2RS)-1,2-diphenyl-2-diphenylphosphinoylmethan-1-ol(88652-80-6)
• EPA Substance Registry System: (1RS,2RS)-1,2-diphenyl-2-diphenylphosphinoylmethan-1-ol(88652-80-6)

Safety Data

• Hazardous Substances Data: 88652-80-6(Hazardous Substances Data)

Upstream product

• 65567-06-8 lithium diphenylphosphide 
• 1439-07-2 trans-Stilbene oxide 
• 1689-71-0 2,3-diphenyloxirane 

Downstream Products

• 645-49-8 cis-stilben 
• 14064-67-6 (Z)-1-chloro-3-styrylbenzene 
• 14064-43-8 (E)-3-chlorostilbene 
• 2959-74-2 benzyldiphenylphosphine oxide 
• 103-30-0 (E)-1,2-diphenyl-ethene 

Relevant articles and documents

On the Preparation of (E)- and (Z)-Stilbene from the Diastereoisomeric 1,2-Diphenyl-2-diphenylphosphonoylethan-1-ols

(1RS,2SR)-1,2-Diphenyl-2-diphenylphosphonoylethanol (erythro-isomer) (1) and its threo-isomer (2) have been prepared stereospecifically by opening the appropriate stilbene oxides with Ph2PLi followed by oxidation with H2O2-AcOH.Compounds (1) and (2) can also be obtained stereoselectively (erythro-isomer predominating) via treatment of Ph2POCHLiPh with PhCHO.Under all the conditions tried, treatment of the threo-isomer (2) with base gave (E)-stilbene.The erythro-isomer (1) under most conditions gave predominantly (E)-stilbene, together with variable amounts of Ph2POCH2Ph, through in one case mainly (Z)-stilbene was formed.The conversion erythro-(E)-stilbene was shown to occur via fragmentation to Ph2POCHLiPh and PhCHO by trapping experiments using m-chlorobenzaldehyde.