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(11BS, 11'BS)-4,4'-(9,9-DIMETHYL-9H-XAN&
(11BS, 11'BS)-4,4'-(9,9-DIMETHYL-9H-XAN&
$123 - $396
Product name
(11BS, 11'BS)-4,4'-(9,9-DIMETHYL-9H-XAN&
Cas No
349114-57-4
MF
C55H36O5P2
MW
838.82
MDL Number
MFCD09842740
Synonyms
(11BS, 11'BS)-4,4'-(9,9-DIMETHYL-9H-XAN&;(11bS,11μbS)-4,4μ-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1μ,2μ-f][1,3,2]dioxaphosphepin;S,S-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-, (11bS,11'bS)-;(11b<i>S</i>,11′b<i>S</i>)-4,4′-(9,9-Dimethyl-9<i>H</i>-xanthene-4,5-diyl)bis-dinaphtho[2,1-<i>d</i>:1′,2′-f][1,3,2]dioxaphosphepin;(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, CAS 349114-57-4
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Product name
Sigma-Aldrich
682869
100mg
$123
(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
Sigma-Aldrich
682869
500mg
$396
(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
Properties
Melting point
195-207 °C (dec.)
form
solid
optical activity
[α]22/D -245°, c = 1 in chloroform
InChIKey
DXZANFKSPAISOB-UHFFFAOYSA-N
SMILES
CC1(C)c2cccc(P3Oc4ccc5ccccc5c4-c6c(O3)ccc7ccccc67)c2Oc8c(cccc18)P9Oc%10ccc%11ccccc%11c%10-c%12c(O9)ccc%13ccccc%12%13
Description
This diphosphonite ligand has been successfully employed in Noyori-type asymmetric transfer hydrogenation of prochiral ketones.
Related product price
9,9-DIMETHYL-9H-XANTHENE
$6-6121.5
Suppliers and manufacturers
DAYANG CHEM (HANGZHOU) CO.,LTD
Energy Chemical
Sigma-Aldrich
Shanghai Anyinuo Biomedical Technology Co., Ltd.
Merck KGaA
Santa Cruz Biotechnology Inc
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9,9-DIMETHYL-9H-XANTHENE
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