(11bS,11′bS)-4,4′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin

• Catalog No.: 682869
• CAS Number: 349114-57-4
• M. F.: C55H76O5P2
• M. W.: 879.136462

SYNONYMS

• Title: (11bS,11′bS)-4,4′-(9,9-二甲基-9H-氧杂蒽-4,5-二基)双-二萘并[2,1-d:1′,2′-f][1,3,2]二噁磷杂庚英
• IUPAC name: 13-(5-{12,14-dioxa-13-phosphapentacyclo[13.8.0.0^2,^1^1.0^3,^8.0^1^8,^2^3]tricosan-13-yl}-9,9-dimethyl-9H-xanthen-4-yl)-12,14-dioxa-13-phosphapentacyclo[13.8.0.0^2,^1^1.0^3,^8.0^1^8,^2^3]tricosane
• IUPAC Traditional name: 13-(5-{12,14-dioxa-13-phosphapentacyclo[13.8.0.0^2,^1^1.0^3,^8.0^1^8,^2^3]tricosan-13-yl}-9,9-dimethylxanthen-4-yl)-12,14-dioxa-13-phosphapentacyclo[13.8.0.0^2,^1^1.0^3,^8.0^1^8,^2^3]tricosane
• Synonyms: S,S-Reetz X-Diphosphonite; S,S-Reetz X-二亚磷酸酯

DATABASE IDS

• CAS Number: 349114-57-4
• MDL Number: MFCD09842740

PROPERTIES

• Empirical Formula (Hill Notation): C55H36O5P2
• Melting Point: 195-207 °C (dec.)
• Optical Rotation: [α]22/D -245°, c = 1 in chloroform
• German water hazard class: 3

DETAILS

Description (English)

Application
This diphosphonite ligand has been successfully employed in Noyori-type asymmetric transfer hydrogenation of prochiral ketones.3

• Catalyst for asymmetric hydrogenation of quinolines catalyzed by iridium complexes of BINOL-derived diphosphonites1
• Ligand in asymmetric Ni-catalyzed hydrocyanation of styrene and other vinylarenes2
Packaging
100, 500 mg in glass bottle

Description (简体中文)

Application
这种二亚磷酸酯配体已成功应用于前手性酮的 Noyori 型不对称转移氢化反应。3

• Catalyst for asymmetric hydrogenation of quinolines catalyzed by iridium complexes of BINOL-derived diphosphonites1
• Ligand in asymmetric Ni-catalyzed hydrocyanation of styrene and other vinylarenes2
包装
100, 500 mg in glass bottle