Rhodium-catalyzed reactions of dithiols and 1,4-bis(bromomethyl)benzenes leading to enantioenriched dithiaparacyclophanes

Organic Letters

Volumn 9, Issue 23, 2007, Pages 4881-4884

  Tanaka, Ken ^a   Hori, Tomoko ^a   Osaka, Takuya ^a   Noguchi, Keiichi ^a   Hirano, Masao ^a  

^a TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 36348964883     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol702242x     Document Type: Article

References (45)

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41. Increasing the reaction temperature decreased the yields of dithiaparacyclophanes.
42. Synthesis and chiroptical properties of planar-chiral dithia[n]cyclophanes were reported. For dithia[n]paracyclophanes. see ref 3e. For dithia[n]metacyclophanes, see ref 8a.
43. MOP: 2-(diphenylphosphino)-2′-methoxy-1,1′-binaphthyl. Chiraphos: 2,3-bis(diphenylphosphino)butane. DIOP: 4,5- bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane. i-Pr-Duphos: 1,2-bis(2,5-di-i-propylphospholano)benzene.
44. In the reactions of dithiols and dibromides shown in Tables 1 and 2 and Schemes 1 and 2, the starting materials were not recovered and insoluble oligomers were obtained as byproducts.
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