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Volumn 42, Issue 1, 2013, Pages 37-39

Synthesis of chiral bis-MOP-type diphosphines. Chelating effect in nickel-catalyzed phosphination

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EID: 84871808231     PISSN: 03667022     EISSN: 13480715     Source Type: Journal    
DOI: 10.1246/cl.2013.37     Document Type: Article
Times cited : (4)

References (33)
  • 25
    • 84871739247 scopus 로고    scopus 로고
    • Experimental procedure for synthesis of 2,6-bis{[(R)-2-(diphenylmethoxy)- 1,1-binaphthyl-2-yloxy]methyl}pyridine: To a round bottom flask containing a solution of (R)-2-(diphenylmethoxy)-1,1-binaphthyl-2-ol (4.4mmol) in THF (18 mL) a solution of sodium hydroxide (10mmol) in water (0.5 mL) was added
    • Experimental procedure for synthesis of 2,6-bis{[(R)-2-(diphenylmethoxy)- 1,1-binaphthyl-2-yloxy]methyl}pyridine: To a round bottom flask containing a solution of (R)-2-(diphenylmethoxy)-1,1-binaphthyl-2-ol (4.4mmol) in THF (18 mL) a solution of sodium hydroxide (10mmol) in water (0.5 mL) was added.
  • 26
    • 84871729393 scopus 로고    scopus 로고
    • General procedure for the synthesis of bis-BINOL triflate derivative ether, 2a2c: In a dry Schlenk, equipped with magnetic stirrer, containing 2,2-bis-BINOLate desired (2.3mmol) was sequentially added, under inert atmosphere (N2) at a temperature of 0 °C, dry dichloromethane (20 mL), dry pyridine (0.56 mL, 6.9mmol) and finally triflic anhydride (1.6 g, 5.4mmol). After adding all components of the reaction mixture, the reaction was left at room temperature for 4 h
    • General procedure for the synthesis of bis-BINOL triflate derivative ether, 2a2c: In a dry Schlenk, equipped with magnetic stirrer, containing 2,2-bis-BINOLate desired (2.3mmol) was sequentially added, under inert atmosphere (N2) at a temperature of 0 °C, dry dichloromethane (20 mL), dry pyridine (0.56 mL, 6.9mmol) and finally triflic anhydride (1.6 g, 5.4mmol). After adding all components of the reaction mixture, the reaction was left at room temperature for 4 h.
  • 30
    • 84871752143 scopus 로고    scopus 로고
    • General procedure for the synthesis of bisphosphine ether: To a dried Schlenk, equipped with magnetic stirrer, containing [NiCl2(dppe)] (1.1 g, 2mmol) under inert atmosphere (N2), was added dry DMF (2 mL), followed by diphenylphosphine (2mmol) at room temperature
    • General procedure for the synthesis of bisphosphine ether: To a dried Schlenk, equipped with magnetic stirrer, containing [NiCl2(dppe)] (1.1 g, 2mmol) under inert atmosphere (N2), was added dry DMF (2 mL), followed by diphenylphosphine (2mmol) at room temperature.
  • 33
    • 84871802461 scopus 로고    scopus 로고
    • Supporting Information is available electronically on the CSJ-Journal Web site
    • Supporting Information is available electronically on the CSJ-Journal Web site, http://www.csj.jp/journals/chem-lett/index.html.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.