in tetrahydrofuran
a mixt. of Br2C(COOMe)2 and Rh-complex in 1:1 molar ratio was heated inTHF at 50°C for 5 h under N2; solvent was removed, residue extd. with hexane to give (MeOOC)2C=C(COOMe)2, extraction residue was chromd. to give RhBr3(CO)(PPh3)2;
参考文献
Booth, Brian L.; Casey, Geoffrey C.; Haszeldine, Robert N.
Journal of Organometallic Chemistry, 1982 , vol. 224, # 2 p. 197 - 205
Semerikov, V. N.; Sorokin, V. D.; Zhdankin, V. V.; Koz'min, A. S.; Zefirov, N. S.
Journal of Organic Chemistry USSR (English Translation), 1988 , vol. 24, # 4 p. 802 - 803
Zhurnal Organicheskoi Khimii, 1988 , vol. 24, # 4 p. 888 - 889
Elinson, M. N.; Fedukovich, S. K.; Nikishin, G. I.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, p. 2285 - 2289
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 11 p. 2534 - 2538
1-trimethylsilyl-1-hexyne; copper(II) sulfate
T=140 - 145°C; 10 h; Further byproducts given. Title compound not separated from byproducts;
参考文献
Dolgii, I. E.; Okonnishnikova, G. P.; Ignatenko, A. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, # 4 p. 864 - 867
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 4 p. 947 - 950
in tetrahydrofuran
Rh complex and Br2C(COOMe)2 in 1:2 molar ratio were heated in THF at 50°C for 3.3 h under N2; solvent was removed, residue extd. with hexane to give (MeOOC)2C=C(COOMe)2, which was recrystd. from CH2Cl2/EtOH, the extraction residue was chromd. (eluent CHCl3) to give RhBr(CO)(PPh3)2;
参考文献
Booth, Brian L.; Casey, Geoffrey C.; Haszeldine, Robert N.
Journal of Organometallic Chemistry, 1982 , vol. 224, # 2 p. 197 - 205
copper(II) sulfate
T=140 - 145°C; 10 h; Further byproducts given. Title compound not separated from byproducts;
参考文献
Dolgii, I. E.; Okonnishnikova, G. P.; Ignatenko, A. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, # 4 p. 864 - 867
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 4 p. 947 - 950
