(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN&

(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& structure

CAS No.: 349114-63-2

Chemical Name:: (11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN&

Synonyms: R, R-Reetz X-Diphosphonite;(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN&;(11bR,11μbR)-4,4μ-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1μ, 2μ-f][1,3,2]dioxaphosphepin;Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 4,4'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis-, (11bR,11'bR)-

CBNumber:: CB4972903

Molecular Formula:: C55H36O5P2

Molecular Weight:: 838.82

MDL Number:: MFCD09842740

MOL File:: 349114-63-2.mol

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(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& Properties

Melting point	198-217 °C
optical activity	[α]22/D +270°, c = 1 in chloroform

SAFETY

Risk and Safety Statements

WGK Germany	3

(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& price More Price(3)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	682977	(11bR,11′bR)-4,4′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′, 2′-f][1,3,2]dioxaphosphepin	349114-63-2	100mg	$125	2024-03-01	Buy
Sigma-Aldrich	682977	(11bR,11′bR)-4,4′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′, 2′-f][1,3,2]dioxaphosphepin	349114-63-2	500mg	$400	2023-01-07	Buy
American Custom Chemicals Corporation	CCH0031381	(11bR,11′bR)-4,4′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′, 2′-f][1,3,2]dioxaphosphepin 95.00%	349114-63-2	5MG	$503.36	2021-12-16	Buy

Product number	Packaging	Price	Buy
682977	100mg	$125	Buy
682977	500mg	$400	Buy
CCH0031381	5MG	$503.36	Buy

(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& Chemical Properties,Uses,Production

Uses

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

(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& Preparation Products And Raw materials

Raw materials

Preparation Products

(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& Suppliers

Global( 3)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51471	80

Supplier	Advantage
Sigma-Aldrich	80

349114-63-2((11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN&)Related Search:

9,9-DIMETHYL-9H-XANTHENE

(11BR, 11'BR)-4,4'-(9,9-DIMETHYL-9H-XAN& (11bR,11μbR)-4,4μ-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1μ, 2μ-f][1,3,2]dioxaphosphepin R, R-Reetz X-Diphosphonite Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 4,4'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis-, (11bR,11'bR)- 349114-63-2 C55H36O5P2