(8aS)-18-Hydroxy-8,9-diphenyldiphenanthro[4,3-d:3',4'-f][1,3,2]dioxaphosphepine18-oxide , 98% , 871130-17-5

Synonym(s):
(S)-18-Hydroxy-8,9-diphenyl-diphenanthro[4,3-d:3′,4′-f][1,3,2]dioxaphosphepin-18-oxide;(S)-2,2′-Diphenyl-3,3′-biphenanthryl-4,4′-diyl phosphate;(S)-VAPOL phosphoric acid

CAS NO.：871130-17-5

Empirical Formula: C40H25O4P

Molecular Weight: 600.6

MDL number: MFCD09265084

PRODUCT Properties

• Melting point: >400 °C
• Density: 1.44±0.1 g/cm3(Predicted)
• storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
• pka: 1.13±0.20(Predicted)
• optical activity: [α]22/D +412°, c = 1 in chloroform

Description and Uses

Catalyst for:

• Benzoyloxylation of (aryl)oxindoles with benzoyl peroxide
• Enantioselective synthesis of homoaldols and cyclic acetals via kinetic resoln of homoaldols
• Desymmetrization of mono- and bicyclic N-acyl meso-aziridines by ring opening
• Highly enantioselective addition of imides to imines to give aminals
• Friedel-Crafts reaction of pyrroles with benzylidenebenzamides

Safety

• WGK Germany: 3
• HS Code: 29349990