Abstract
A practical method for the synthesis of α-nitroamines
by Michael addition of azide to nitroalkene has been developed.
This reaction proceeds in high yields under very mild conditions
(phase-transfer catalysis) and is found to be general; good yields
are obtained with both aryl and alkyl derivatives as well as with
1,1-disubstituted ones.
Key words
azides - amines - Michael addition - nitroalkenes - nitroamines
References
<A NAME="RP06310SS-1">1 </A> For a review on nitroamines, see:
Lucet D.
Le Gall T.
Mioskowski C.
Angew. Chem. Int. Ed.
1998,
37:
2580
For reviews on Nef oxidation, see:
<A NAME="RP06310SS-2A">2a </A>
Ballini R.
Petrini M.
Tetrahedron
2004,
60:
1017
<A NAME="RP06310SS-2B">2b </A>
Pinnick H.
Org.
React.
1990,
38:
655
For the synthesis of 1,2-diamines
from nitroamines, see:
<A NAME="RP06310SS-3A">3a </A>
Anderson JC.
Chapman HA.
Synthesis
2006,
3309
<A NAME="RP06310SS-3B">3b </A>
Yamada K.
Moll G.
Shibasaki M.
Synlett
2001,
980
<A NAME="RP06310SS-3C">3c </A>
Anderson JC.
Blake AJ.
Howell GP.
Wilson C.
J.
Org. Chem.
2005,
70:
649
<A NAME="RP06310SS-3D">3d </A>
Imagawa K.
Hata E.
Yamada T.
Mukaiyama T.
Chem. Lett.
1996,
4:
291
<A NAME="RP06310SS-4">4 </A> For recent advances on this reaction,
see:
Westermann B.
Angew. Chem. Int.
Ed.
2003,
42:
151
For some recent reports on enantioselective
aza-Henry reaction, see:
<A NAME="RP06310SS-5A">5a </A>
Wang L.
Tan C.
Liu X.
Feng X.
Syntlett
2008,
2075
<A NAME="RP06310SS-5B">5b </A>
Gomez-Bengoa Enrique LA.
López R.
Mugica-Mendiola I.
Oiarbide M.
Palomo C.
J. Am. Chem. Soc.
2008,
130:
7955
<A NAME="RP06310SS-5C">5c </A>
Robak MT.
Trincado M.
Ellman JA.
J. Am. Chem. Soc.
2007,
129:
15110
<A NAME="RP06310SS-5D">5d </A>
Rossi L.
Bianchi G.
Feroci M.
Inesi A.
Synlett
2007,
2505
<A NAME="RP06310SS-5E">5e </A>
Palomo C.
Oiarbide M.
Halder R.
Laso A.
López R.
Angew.
Chem. Int. Ed.
2006,
45:
117
<A NAME="RP06310SS-6A">6a </A>
Wang L.
Tan C.
Liu X.
Feng X.
Synlett
2008,
2075
<A NAME="RP06310SS-6B">6b </A>
Pahadi NK.
Ube H.
Terada M.
Tetrahedron
Lett.
2007,
48:
8700
<A NAME="RP06310SS-6C">6c </A>
Anderson JC.
Blake AJ.
Howell GP.
Wilson C.
J.
Org. Chem.
2005,
70:
549
<A NAME="RP06310SS-6D">6d </A>
Ruano
J.-LG.
Topp M.
López-Cantarero J.
Alemán J.
Remuiñán MJ.
Cid MB.
Org.
Lett.
2005,
7:
4407 ;
and references cited therein
For some recent reports, see:
<A NAME="RP06310SS-7A">7a </A>
Ooi T.
Takada S.
Doda K.
Maruoka K.
Angew. Chem. Int. Ed.
2006,
45:
7606
<A NAME="RP06310SS-7B">7b </A>
Lalonde MP.
Chen Y.
Jacobsen EN.
Angew. Chem. Int. Ed.
2006,
45:
6366
<A NAME="RP06310SS-7C">7c </A>
Tsogoeva SB.
Wei S.
Chem. Commun.
2006,
1451
<A NAME="RP06310SS-7D">7d </A>
Huang H.
Jaconsen EN.
J. Am. Chem. Soc.
2006,
128:
7170 ; and references cited therein
<A NAME="RP06310SS-8A">8a </A>
Nielsen M.
Zhuang W.
Jorgensen KA.
Tetrahedron
2007,
63:
5849
<A NAME="RP06310SS-8B">8b </A>
Kamimura A.
Kadowaki A.
Nagata Y.
Uno H.
Tetrahedron Lett.
2006,
47:
2471
<A NAME="RP06310SS-8C">8c </A>
Wang J.
Li H.
Zu L.
Wang W.
Org. Lett.
2006,
8:
1391
<A NAME="RP06310SS-8D">8d </A>
Yan M.-C.
Tu Z.
Lin C.
Ko S.
Hsu J.
Yao CF.
J. Org. Chem.
2004,
69:
1565
<A NAME="RP06310SS-8E">8e </A>
Molteni M.
Volonterio A.
Zanda M.
Org.
Lett.
2003,
5:
3887
<A NAME="RP06310SS-8F">8f </A>
Lucet D.
Sabelle S.
Kostelitz O.
Le Gall T.
Mioskowski C.
Eur.
J. Org. Chem.
1999,
2583
<A NAME="RP06310SS-8G">8g </A>
Enders D.
Wiedemann J.
Synthesis
1996,
1443
<A NAME="RP06310SS-9">9 </A> For a review on benzotriazole, see:
Katritzky AR.
Xiangfu L.
Yang JZ.
Denisko OV.
Chem. Rev.
1998,
98:
409
<A NAME="RP06310SS-10">10 </A>
The structure of 3b has
been confirmed by X-ray crystallography. The X-ray data have been
deposited at the Cambridge Crystallographic Data Centre (deposition number:
CCDC 769007). These data can be obtained free of charge at www.ccdc.cam.ac.uk/conts/retrieving.html
[or from
the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge
CB2 1EZ, UK; fax: +44(1223)336033, E-mail: deposit@ccdc.cam.ac.uk].
<A NAME="RP06310SS-11">11 </A>
This is consistent with a previous
study on addition of benzotriazole on nitroalkene. See ref. 8c.
<A NAME="RP06310SS-12">12 </A>
Katritzky AR.
Perumal S.
Fan WQ.
J.
Chem. Soc., Perkin Trans. 2
1990,
2059
<A NAME="RP06310SS-13">13 </A>
Yadav JS.
Reddy AR.
Rao YG.
Narsaiah AV.
Reddy BVS.
Synthesis
2007,
3447
<A NAME="RP06310SS-14">14 </A>
Total conversion was obtained in dichloroethane
at 60 ˚C after 5 h.
<A NAME="RP06310SS-15">15 </A> For early report on addition of
hydroxylamine to nitroalkene, see:
Hurd CD.
Patterson J.
J. Chem. Soc., Chem. Commun.
1953,
285
<A NAME="RP06310SS-16">16 </A>
A test reaction showed that the reaction
does not proceed in the absence of catalyst.
<A NAME="RP06310SS-17">17 </A>
Quiclet B.
Zard SZ.
Synthesis
2005,
3319
<A NAME="RP06310SS-18">18 </A>
For one example of addition of azide
using TMSN3 , see 8a.
<A NAME="RP06310SS-19">19 </A> For a review on azides, see:
Scriven EFV.
Turnbull K.
Chem.
Rev.
1988,
88:
351
<A NAME="RP06310SS-20">20 </A>
Salunkhe AM.
Ramachandran PV.
Brown HC.
Tetrahedron
2002,
58:
10059
<A NAME="RP06310SS-21A">21a </A>
Staudinger H.
Meyer J.
Helv.
Chim. Acta
1919,
2:
635
<A NAME="RP06310SS-21B">21b </A>
Leffler JE.
Temple RD.
J.
Am. Chem. Soc.
1967,
89:
5235
<A NAME="RP06310SS-21C">21c </A>
Vaultier M.
Knouzi N.
Carrie R.
Tetrahedron Lett.
1983,
24:
763
<A NAME="RP06310SS-21D">21d </A>
Venturini A.
Gonzalez J.
J. Org. Chem.
2002,
67:
9088
<A NAME="RP06310SS-21E">21e </A>
Chen J.
Forsyth CJ.
Org. Lett.
2003,
5:
1281
<A NAME="RP06310SS-22A">22a </A>
Arcelli A.
Cerè V.
Peri F.
Pollicino S.
Ricci A.
Tetrahedron
2001,
57:
3439
<A NAME="RP06310SS-22B">22b </A>
Racouchot S.
Ollivier J.
Salaün J.
Synlett
2000,
1729
<A NAME="RP06310SS-23">23 </A>
Denmark SE.
Kesler BS.
Moon YC.
J.
Org. Chem.
1992,
57:
4912
<A NAME="RP06310SS-24">24 </A>
Wen-Wei L.
Yeong-Jiunn J.
Yeh W.
Ju-Tsung L.
Shin-Ru H.
Lian-Yong W.
Ching-Fa Y.
J.
Org. Chem.
2001,
66:
1984
<A NAME="RP06310SS-25">25 </A>
Nielsen M.
Zhuang W.
Jørgensen KA.
Tetrahedron
2007,
63:
5849
<A NAME="RP06310SS-26">26 </A>
Boyer JH.
J.
Am. Chem. Soc.
1951,
73:
4248
<A NAME="RP06310SS-27">27 </A>
In the case of 4b ,
the reaction mixture was poured into H2 O, extracted with
CH2 Cl2 , and the CH2 Cl2 extract
was concentrated under reduced pressure.
<A NAME="RP06310SS-28A">28a </A>
Benalil A.
Carboni B.
Vaultier M.
Tetrahedron
1991,
47:
8177
<A NAME="RP06310SS-28B">28b </A>
Hsiao Y.
Hegedus LS.
J. Org. Chem.
1997,
62:
3586
<A NAME="RP06310SS-29">29 </A>
Plössl K.
Chandra R.
Qu W.
Lieberman BP.
Kung M.-P.
Zhou R.
Huang B.
Kung HF.
Nucl. Med. Biol.
2008,
35:
83