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Volumn 72, Issue 23, 2007, Pages 8954-8957

Fast catalytic epoxidation with H2O2 and [γ-SiW10O36(PhPO)2]4- in ionic liquids under microwave irradiation

Author keywords

[No Author keywords available]

Indexed keywords

HYDROGEN PEROXIDE; IONIC LIQUIDS; MICROWAVE IRRADIATION; OLEFINS; REACTION KINETICS;

EID: 35948938872     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo7016923     Document Type: Article
Times cited : (59)

References (54)
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    • and references cited therein
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    • (2005) Adv. Synth. Catal , vol.348 , pp. 275-295
    • Muzart, J.1
  • 32
    • 35948996233 scopus 로고    scopus 로고
    • To avoid irreproducible results often obtained with commercial ILs of unknown purity, the solvents were synthesized and purified following the procedure indicated in the Supporting Information
    • To avoid irreproducible results often obtained with commercial ILs of unknown purity, the solvents were synthesized and purified following the procedure indicated in the Supporting Information.
  • 33
    • 35949000537 scopus 로고    scopus 로고
    • -] at T = 50°C) slower reaction rates were generally observed, leading to cyclooctene epoxide (99%) after 18 h and to 1,2-epoxyoctane (51%) after 66 h (compare with data in Table 2).
    • -] at T = 50°C) slower reaction rates were generally observed, leading to cyclooctene epoxide (99%) after 18 h and to 1,2-epoxyoctane (51%) after 66 h (compare with data in Table 2).
  • 34
    • 35948999329 scopus 로고    scopus 로고
    • 2 is soluble in all hydrophilic ILs, while a highly dispersed emulsion is formed within hydrophobic ILs.
    • 2 is soluble in all hydrophilic ILs, while a highly dispersed emulsion is formed within hydrophobic ILs.
  • 37
    • 35948994638 scopus 로고    scopus 로고
    • 2 in the form of urea complex (UHP) was not fully soluble in the IL-phase.
    • 2 in the form of urea complex (UHP) was not fully soluble in the IL-phase.
  • 38
    • 9644307998 scopus 로고    scopus 로고
    • Protonation equilibria and the extent of ion-pair association are known to influence POMs reactivity and their physical-chemical properties, a Musaev, D. G, Morokuma, K, Geletii, Y. V, Hill, C. L. Inorg. Chem. 2004, 43, 7702-7708
    • Protonation equilibria and the extent of ion-pair association are known to influence POMs reactivity and their physical-chemical properties, (a) Musaev, D. G.; Morokuma, K.; Geletii, Y. V.; Hill, C. L. Inorg. Chem. 2004, 43, 7702-7708.
  • 40
    • 35948990501 scopus 로고    scopus 로고
    • At long reaction time, H2O2 decomposition becomes a competing process
    • 2 decomposition becomes a competing process.
  • 41
    • 33746304454 scopus 로고    scopus 로고
    • Evolution of 1 to dimeric complexes has been reported to occur in nonaqueous environment. Yoshida, A.; Yoshimura, M.; Uehara, K.; Hikichi, S.; Mizuno, N. Angew. Chem., Int. Ed. 2006, 45, 1956-1960.
    • Evolution of 1 to dimeric complexes has been reported to occur in nonaqueous environment. Yoshida, A.; Yoshimura, M.; Uehara, K.; Hikichi, S.; Mizuno, N. Angew. Chem., Int. Ed. 2006, 45, 1956-1960.
  • 43
    • 35949002496 scopus 로고    scopus 로고
    • In the absence of simultaneous cooling, the yield of epoxide was negligible
    • In the absence of simultaneous cooling, the yield of epoxide was negligible.
  • 44
    • 33745725894 scopus 로고    scopus 로고
    • and references cited therein
    • (a) Ahmed, B.; Barrow, D.; Wirth, T. Adv. Synth. Catal. 2006, 348, 1043-1048 and references cited therein,
    • (2006) Adv. Synth. Catal , vol.348 , pp. 1043-1048
    • Ahmed, B.1    Barrow, D.2    Wirth, T.3
  • 47
    • 35948979338 scopus 로고    scopus 로고
    • 2 competes with catalytic epoxidation, so both the presence of a layered substrate phase and a higher catalyst loading are instrumental for higher epoxide yields.
    • 2 competes with catalytic epoxidation, so both the presence of a layered substrate phase and a higher catalyst loading are instrumental for higher epoxide yields.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.