(R)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin

(R)-6,6'-双(二苯基膦)-2,2',3,3'-四氢-5,5'-联-1,4-苯并二噁英

Also known as: (R)-Synphos, (R)-SynPhos, (R)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin, (R)-(+)-[(5,6),(5',6')-Bis(ethylenedioxy)biphenyl-2,2'-diyl](diphenylphosphine), 1,1'-[(5R)-2,2',3,3'-Tetrahydro[5,5'-bi-1,4-benzodioxin]-6,6'-diyl]bis[1,1-diphenylphosphine]

(R)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin (CAS 445467-61-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C40H32O4P2 and a molecular weight of 638.62700 g/mol. It is also known as (R)-Synphos, (R)-SynPhos and (R)-(+)-[(5,6),(5',6')-Bis(ethylenedioxy)biphenyl-2,2'-diyl](diphenylphosphine). Key properties include a melting point of >260 °C and a boiling point of 738.4±60.0 °C(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

445467-61-8

Jingsj CID

J-8343-8

Molecular Formula

C₄₀H₃₂O₄P₂

Chinese Name

(R)-6,6'-双(二苯基膦)-2,2',3,3'-四氢-5,5'-联-1,4-苯并二噁英

Molecular Weight

638.62700 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026