Abstract
A novel heterogeneous catalyst of silver nanoparticles was prepared
by using a nickel metal-organic framework (Ni-MOF) as a template.
The catalyst has a very high catalytic activity and a strict structural
selectivity towards linear aliphatic aldehydes in an A³ coupling
reaction. The catalyst could be recovered by simple phase separation
and reused for many times without obvious loss of activity.
Key words
silver nanoparticles - template - metal-organic
frameworks - heterogeneous catalyst - A³ coupling
References and Notes
<A NAME="RW14908ST-1A">1a </A>
Hermes S.
Schröder F.
Chelmowski R.
Wöll C.
Fischer R.
J. Am. Chem. Soc.
2005,
127:
13744
<A NAME="RW14908ST-1B">1b </A>
Hermes S.
Schröter M.
Schmid R.
Khodeir L.
Muhler M.
Tissler A.
Fischer RW.
Fischer RA.
Angew. Chem. Int.
Ed.
2005,
44:
6237
<A NAME="RW14908ST-1C">1c </A>
Suh MP.
Moon HR.
Lee EY.
Jang SY.
J. Am. Chem. Soc.
2006,
128:
4710
<A NAME="RW14908ST-1D">1d </A>
Moon HR.
Kim JH.
Suh MP.
Angew. Chem. Int. Ed.
2005,
44:
1261
<A NAME="RW14908ST-1E">1e </A>
Tanaka D.
Kitagawa S.
Chem. Mater.
2008,
20:
922
<A NAME="RW14908ST-1F">1f </A>
Cheon YE.
Suh MP.
Chem.
Eur. J.
2008,
14:
3916
<A NAME="RW14908ST-2A">2a </A>
Okamoto K.
Akiyama R.
Yoshida H.
Yoshida T.
Kobayashi S.
J. Am. Chem. Soc.
2005,
127:
2125
<A NAME="RW14908ST-2B">2b </A>
Ooe M.
Murata M.
Mizugaki T.
Ebitani K.
Kaneda K.
J.
Am. Chem. Soc.
2004,
126:
1604
<A NAME="RW14908ST-2C">2c </A>
Garcia-Martinez
JC.
Lezutekong R.
Crooks RM.
J. Am. Chem. Soc.
2005,
127:
5097
<A NAME="RW14908ST-2D">2d </A>
Huang J.
Jiang T.
Gao H.
Han B.
Liu Z.
Wu W.
Chang Y.
Zhao G.
Angew.
Chem. Int. Ed.
2004,
43:
1397
<A NAME="RW14908ST-3A">3a </A>
Wang ZX.
Chen M.
Wu LM.
Chem. Mater.
2008,
20:
3251
<A NAME="RW14908ST-3B">3b </A>
Dong YB.
Xu HX.
Ma JP.
Huang
RQ.
Inorg.
Chem.
2006,
45:
3325
<A NAME="RW14908ST-3C">3c </A>
Hiraoka S.
Tanaka T.
Shionoya M.
J.
Am. Chem. Soc.
2006,
128:
13038
<A NAME="RW14908ST-3D">3d </A>
Chattopadhyay S.
Shi SC.
Lan ZH.
Chen CF.
Chen K.
Chen LC.
J. Am. Chem. Soc.
2005,
127:
2820
<A NAME="RW14908ST-3E">3e </A>
Berti L.
Alessandrini A.
Facci P.
J.
Am. Chem. Soc.
2005,
127:
11216
<A NAME="RW14908ST-4">4 </A> X-ray diffraction data of Ni-MOF
were collected on a Bruker SMART APEX II CCD diffractometer equipped with
a graphite crystal and incident beam monochromator using Mn Kα radiation
(λ = 0.71073 Å) at
293 K. The structure was solved by direct method.
Crystallographic
Parameters
C40 H34 N4 Ni2 O13 S6 , M = 1088.49,
monoclinic, space group C2/c, a = 22.7475, b = 19.5874, c = 12.0742 Å, α = 90.000˚, β = 99.593˚, γ = 90.000˚, V = 5304.318 ų , Z = 4, D
c = 1.363
g/cm³ , F (000) = 2232, µ = 1.004
mm-¹ , crystal size: 0.161 × 0.088 × 0.066,
goodness of fit: 0.914, R
1 [I > 2σ(I)] = 0.0677, wR
2 [I > 2σ(I)] = 0.1742, R
1 (all data) = 0.1275, wR
2 (all data) = 0.2036,
residuals (e Å-³ ): 0.546, -0.648.
CCDC 675102
<A NAME="RW14908ST-5">5 </A>
Frey J.
Proemmel S.
Armitage MA.
Holmes AB.
Org. Synth.
2006,
83:
209
<A NAME="RW14908ST-6">6 </A>
Raveendran P.
Fu J.
Wallen SL.
J.
Am. Chem. Soc.
2003,
125:
13940
<A NAME="RW14908ST-7">7 </A>
Kobayashi Y.
Salgueiriño-Maceira V.
Liz-Marzán LM.
Chem. Mater.
2001,
13:
1630
<A NAME="RW14908ST-8A">8a </A>
Zhang Y.
Santos AM.
Herdtweck E.
Mink J.
Kuhn FE.
New J. Chem.
2005,
29:
366
<A NAME="RW14908ST-8B">8b </A>
Wei C.
Li Z.
Li
CJ.
Org.
Lett.
2003,
5:
4473
<A NAME="RW14908ST-8C">8c </A>
Li Z.
Wei C.
Chen L.
Varma RS.
Li CJ.
Tetrahedron
Lett.
2004,
45:
2443
<A NAME="RW14908ST-8D">8d </A>
Wei C.
Li Z.
Li CJ.
Synlett
2004,
1472
<A NAME="RW14908ST-8E">8e </A>
Wei C.
Li CJ.
J. Am. Chem. Soc.
2003,
125:
9584
<A NAME="RW14908ST-8F">8f </A>
Lo VK.
Liu Y.
Wong M.
Che C.
Org. Lett.
2006,
8:
1529
<A NAME="RW14908ST-8G">8g </A>
Shi L.
Tu Y.
Wang M.
Zhang F.
Fan C.
Org. Lett.
2004,
6:
1001
<A NAME="RW14908ST-8H">8h </A>
Kabalka GW.
Wang L.
Pagni RM.
Synlett
2001,
676
<A NAME="RW14908ST-8I">8i </A>
Fischer C.
Carreira EM.
Org. Lett.
2001,
3:
4319
<A NAME="RW14908ST-8J">8j </A>
Wei C.
Li CJ.
Chem. Commun.
2002,
268
<A NAME="RW14908ST-9">9 </A>
General Procedure
for the A
³
Coupling Reaction
To a solution
of aldehyde (1.0 mmol) and amine (1.2 mmol) in MeCN (5.0 mL) was
added a certain loading of catalyst (5.0 mg). Then the mixture was
degassed in vacuum and put into a nitrogen atmosphere. After adding
alkyne (1.5 mmol) into the mixture, it was heated at 70-80 ˚C
for a required reaction time. Then the solid phase was filtered
off and residue solvent was evaporated under vacuum. Product was obtained
after purification by column chromatography.
<A NAME="RW14908ST-10">10 </A>
SHELXL97 . Program for the Solution of Crystal Structures
Sheldrick GM.
University
of Göttingen;
Germany:
1997.