Subscribe to RSS
DOI: 10.1055/s-2007-984541
Cationic Rhodium(I)/BINAP-Type Bisphosphine Complexes: Versatile New Catalysts for Highly Chemo-, Regio-, and Enantioselective [2+2+2] Cycloadditions
Publication History
Publication Date:
27 June 2007 (online)
Abstract
Our research group was the first to discover that cationic rhodium(I)/BINAP-type bisphosphine complexes are versatile new catalysts for highly chemo-, regio-, and enantioselective [2+2+2] cycloadditions. The high chemo- and regioselectivity of these cycloadditions enabled efficient catalytic synthesis of substituted benzenes, cyclophanes, and nitrogen heterocycles. Furthermore, enantioselective variants of these cycloadditions were also developed that realized efficient catalytic constructions of axial, planar, central, and spiro chirality.
1 Introduction
2 Chemo- and Regioselective [2+2+2] Cycloadditions
2.1 [2+2+2] Cycloaddition of Terminal Alkynes
2.2 [2+2+2] Cycloaddition of Two Different Alkynes
2.3 [2+2+2] Cycloaddition of α,ω-Diynes with Alkynes
2.4 [2+2+2] Cycloaddition of Alkynes with Isocyanates, Isothiocyanates, and Carbon Disulfide
2.5 [2+2+2] Cycloaddition of Alkynes with Nitriles
3 Enantioselective [2+2+2] Cycloadditions
3.1 Construction of Axial Chirality
3.2 Construction of Planar Chirality
3.3 Construction of Central Chirality
3.4 Construction of Spiro Chirality
4 Summary
Key words
alkynes - asymmetric catalysis - BINAP - cycloadditions - rhodium
- For recent reviews on transition-metal-catalyzed cycloadditions, see:
-
1a
Wender PA.Croatt MP.Deschamps NM. In Comprehensive Organometallic Chemistry 3rd ed., Vol. 10:Mingos DMP.Crabtree RH.Ojima I. Elsevier; Oxford: 2007. p.603 -
1b
Yet L. Chem. Rev. 2000, 100: 2963 -
1c
Mehta G.Singh V. Chem. Rev. 1999, 99: 881 -
1d
Ojima I.Tzamarioudaki M.Li Z.Donovan RJ. Chem. Rev. 1996, 96: 635 -
1e
Lautens M.Klute W.Tam W. Chem. Rev. 1996, 96: 49 -
1f
Schore NE. Chem. Rev. 1988, 88: 1081 - 2
Sato Y.Nishimata T.Mori M. J. Org. Chem. 1994, 59: 6133 - 3
Stará IG.Stary I.Kollarovic A.Teply F.Vyskocil S.Saman D. Tetrahedron Lett. 1999, 40: 1993 -
4a
Tanaka K.Qiao S.Tobisu M.Lo MM.-C.Fu GC. J. Am. Chem. Soc. 2000, 122: 9870 -
4b
Tanaka K.Fu GC. J. Org. Chem. 2001, 66: 8177 -
5a
Tanaka K.Fu GC. J. Am. Chem. Soc. 2001, 123: 11492 -
5b
Tanaka K.Fu GC. Angew. Chem. Int. Ed. 2002, 41: 1607 -
5c
Tanaka K.Fu GC. Chem. Commun. 2002, 684 -
5d
Tanaka K.Fu GC. Org. Lett. 2002, 4: 933 -
5e
Tanaka K.Fu GC. J. Am. Chem. Soc. 2002, 124: 10296 -
5f
Tanaka K.Fu GC. J. Am. Chem. Soc. 2003, 125: 8078 - 6 For the first discovery of a metal-catalyzed [2+2+2] cycloaddition, see:
Reppe W.Schweckendick WJ. Justus Liebigs Ann. Chem. 1948, 560: 104 - For recent reviews on [2+2+2] cycloadditions of alkynes, see:
-
7a
Chopade PR.Louie J. Adv. Synth. Catal. 2006, 348: 2307 -
7b
Gandon V.Aubert C.Malacria M. Chem. Commun. (Cambridge) 2006, 2209 -
7c
Kotha S.Brahmachary E.Lahiri K. Eur. J. Org. Chem. 2005, 4741 -
7d
Yamamoto Y. Curr. Org. Chem. 2005, 9: 503 -
7e
Malacria M.Aubert C.Renaud JL. In Science of Synthesis: Houben-Weyl, Methods of Molecular Transformations Vol. 1:Lautens M.Trost BM. Thieme; Stuttgart: 2001. p.439 -
7f
Saito S.Yamamoto Y. Chem. Rev. 2000, 100: 2901 -
7g
Grotjahn DB. In Comprehensive Organometallic Chemistry II Vol. 12:Abel EW.Stone FGA.Wilkinson G.Hegedus L. Pergamon; Oxford: 1995. p.741 -
7h
Boese R.Sickle APV.Vollhardt KPC. Synthesis 1994, 1374 -
7i
Schore NE. In Comprehensive Organic Synthesis Vol. 5:Trost BM.Fleming I. Pergamon; Oxford: 1991. p.1129 -
7j
Vollhardt KPC. Angew. Chem., Int. Ed. Engl. 1984, 23: 539 - For recent examples of highly regioselective, catalytic complete intermolecular homo-[2+2+2] cycloadditions of terminal monoalkynes, see:
-
8a
Ozerov OV.Ladipo FT.Patrick BO. J. Am. Chem. Soc. 1999, 121: 7941 -
8b
Ozerov OV.Patrick BO.Ladipo FT. J. Am. Chem. Soc. 2000, 122: 6423 -
8c
Saito S.Kawasaki T.Tsuboya N.Yamamoto Y. J. Org. Chem. 2001, 66: 796 - For pioneering work on catalytic partial or complete intramolecular [2+2+2] cycloadditions of alkynes, see:
-
9a
Vollhardt KPC.Bergman RG. J. Am. Chem. Soc. 1974, 96: 4996 -
9b
Hillard RL.Vollhardt KPC. Angew. Chem., Int. Ed. Engl. 1975, 14: 712 -
9c
Hillard RL.Vollhardt KPC. J. Am. Chem. Soc. 1977, 99: 4058 -
9d
Vollhardt KPC. Acc. Chem. Res. 1977, 10: 1 - 10 For a review on rhodium-catalyzed [2+2+2] cycloadditions, see:
Fujiwara M.Ojima I. In Modern Rhodium-Catalyzed Organic ReactionsEvans PA. Wiley-VCH; Weinheim: 2005. Chap. 7. p.129 - For neutral rhodium(I) complex mediated, partial or complete intramolecular [2+2+2] cycloadditions of alkynes, see:
-
11a
Müller E. Synthesis 1974, 761 -
11b
Grigg R.Scott R.Stevenson P. Tetrahedron Lett. 1982, 23: 2691 -
11c
Grigg R.Scott R.Stevenson P. J. Chem. Soc., Perkin Trans. 1 1988, 1357 -
11d
Magnus P.Witty D.Stamford A. Tetrahedron Lett. 1993, 34: 23 -
11e
McDonald FE.Zhu HYH.Holmquist CR. J. Am. Chem. Soc. 1995, 117: 6605 -
11f
Kotha S.Brahmachary E. Tetrahedron Lett. 1997, 38: 3561 -
11g
Grigg R.Sridharan V.Wang J.Xu J. Tetrahedron 2000, 56: 8967 -
11h
Witulski B.Stengel T. Angew. Chem. Int. Ed. 1999, 38: 2426 -
11i
Witulski B.Alayrac C. Angew. Chem. Int. Ed. 2002, 41: 3281 -
11j
Witulski B.Zimmermann A.Gowans ND. Chem. Commun. 2002, 2984 -
11k
Witulski B.Zimmermann A. Synlett 2002, 1855 -
11l
McDonald FE.Smolentsev V. Org. Lett. 2002, 4: 745 -
11m
Nishiyama H.Niwa E.Inoue T.Ishima Y.Aoki K. Organometallics 2002, 21: 2572 -
11n
Kinoshita H.Shinokubo H.Oshima K. J. Am. Chem. Soc. 2003, 125: 7784 -
11o
Torrent A.González I.Pla-Quintana A.Roglans A. J. Org. Chem. 2005, 70: 2033 -
11p
Novak P.Pohl R.Kotora M.Hocek M. Org. Lett. 2006, 8: 2051 -
11q
Tracey MR.Oppenheimer J.Hsung RP. J. Org. Chem. 2006, 71: 8629 -
12a
Ohshita J.Furumori K.Matsuguchi A.Ishikawa M. J. Org. Chem. 1990, 55: 3277 -
12b
Field LD.Ward AJ.Turner P. Aust. J. Chem. 1999, 52: 1085 - 13 For a review on rhodium-catalyzed cycloadditions, see:
Robinson JE. In Modern Rhodium-Catalyzed Organic ReactionsEvans PA. Wiley-VCH; Weinheim: 2005. p.241 - For rhodium-catalyzed intermolecular [2+2+2] cycloadditions of alkynes involving rhodium clusters, see:
-
14a
Baidossi W.Goren N.Blum J. J. Mol. Catal. 1993, 85: 153 - Involving dirhodium(II) perfluorobutyrate, see:
-
14b
Doyle MP.Shanklin MS. Organometallics 1994, 13: 1081 - Involving dirhodaboranes, see:
-
14c
Yan H.Beatty AM.Fehlner TP. Organometallics 2002, 21: 5029 - 15
Tanaka K.Shirasaka K. Org. Lett. 2003, 5: 4697 - 16
Tanaka K.Toyoda K.Wada A.Shirasaka K.Hirano M. Chem. Eur. J. 2005, 11: 1145 - 17
Saito T.Yokozawa T.Ishizaki T.Moroi T.Sayo N.Miura T.Kumobayashi H. Adv. Synth. Catal. 2001, 343: 264 - 18
Zhang X.Mashima K.Koyano K.Sayo N.Kumobayashi H.Akutagawa S.Takaya H. Tetrahedron Lett. 1991, 32: 7283 - For examples of transition-metal-catalyzed, complete intermolecular cross-[2+2+2] cycloadditions of alkynes, see:
-
19a
Ura Y.Sato Y.Tsujita H.Kondo T.Imachi M.Mitsudo T. J. Mol. Catal. A: Chem. 2005, 239: 166 -
19b
Ura Y.Sato Y.Shiotsuki M.Kondo T.Mitsudo T. J. Mol. Catal. A: Chem. 2004, 209: 35 -
19c
Takeuchi R.Nakaya Y. Org. Lett. 2003, 5: 3659 -
19d
Mori N.Ikeda S.-I.Odashima K. Chem. Commun. 2001, 181 -
19e
Dieck TH.Munz C.Müller C. J. Organomet. Chem. 1990, 384: 243 -
19f
Abdulla K.Booth BL.Stacey C. J. Organomet. Chem. 1985, 293: 103 - 20
Tanaka K.Nishida G.Ogino M.Hirano M.Noguchi K. Org. Lett. 2005, 7: 3119 -
21a
Boñaga LVR.Zhang H.-C.Moretto AF.Ye H.Gautheir DA.Li J.Leo GC.Maryanoff BE. J. Am. Chem. Soc. 2005, 127: 3473 -
21b
Boñaga LVR.Zhang H.-C.Maryanoff BE. Chem. Commun. 2004, 2394 -
21c
Boñaga LVR.Zhang H.-C.Gautheir DA.Reddy I.Maryanoff BE. Org. Lett. 2003, 5: 4537 -
21d
Moretto AF.Zhang H.-C.Maryanoff BE. J. Am. Chem. Soc. 2001, 123: 3157 - 22
Tanaka K.Sagae H.Toyoda K.Noguchi K. Eur. J. Org. Chem. 2006, 3575 - For recent reviews on the synthesis of nitrogen heterocycles by transition-metal-catalyzed [2+2+2] cycloadditions, see:
-
23a
Nakamura I.Yamamoto Y. Chem. Rev. 2004, 104: 2127 -
23b
Varela JA.Saá C. Chem. Rev. 2003, 103: 3787 - For examples of transition-metal-catalyzed [2+2+2] cycloadditions of alkynes with isocyanates using cobalt catalysts, see:
-
24a
Hong P.Yamazaki H. Synthesis 1977, 50 -
24b
Hong P.Yamazaki H. Tetrahedron Lett. 1977, 1333 -
24c
Earl RA.Vollhardt KPC. J. Org. Chem. 1984, 49: 4786 -
24d
Diversi P.Ingrosso G.Lucherini A.Malquori S. J. Mol. Catal. 1987, 40: 267 - Using nickel catalysts, see:
-
24e
Hoberg H.Oster BW. Synthesis 1982, 324 -
24f
Hoberg H.Oster BW. J. Organomet. Chem. 1982, 234: C35 -
24g
Hoberg H.Oster BW. J. Organomet. Chem. 1983, 252: 359 -
24h
Duong HA.Cross MJ.Louie J. J. Am. Chem. Soc. 2004, 126: 11438 -
24i
Duong HA.Louie J. Tetrahedron 2006, 62: 7552 - Using ruthenium catalysts, see:
-
24j
Yamamoto Y.Takagishi H.Itoh K. Org. Lett. 2001, 3: 2117 -
24k
Yamamoto Y.Kinpara K.Saigoku T.Takagishi H.Okuda S.Nishiyama H.Itoh K. J. Am. Chem. Soc. 2005, 127: 605 - For examples of rhodium-catalyzed [2+2+2] cycloadditions of alkynes with isocyanates, see:
-
25a
Flynn ST.Hasso-Henderson SE.Parkins AW. J. Mol. Catal. 1985, 32: 101 -
25b
Yu RT.Rovis T. J. Am. Chem. Soc. 2006, 128: 2782 -
25c
Yu RT.Rovis T. J. Am. Chem. Soc. 2006, 128: 12370 -
25d
Kondo T.Nomura M.Ura Y.Wada K.Mitsudo T. Tetrahedron Lett. 2006, 47: 7107 - 26
Tanaka K.Wada A.Noguchi K. Org. Lett. 2005, 7: 4737 - 27
Tanaka K.Wada A.Noguchi K. Org. Lett. 2006, 8: 907 - For examples of transition-metal-catalyzed [2+2+2] cycloadditions of alkynes with isothiocyanates using cobalt catalysts, see:
-
28a
Wakatsuki Y.Yamazaki H. J. Chem. Soc., Chem. Commun. 1973, 280 - Using ruthenium catalysts, see:
-
28b
Yamamoto Y.Takagishi H.Itoh K. J. Am. Chem. Soc. 2002, 124: 28 - 29
Beesley RM.Ingold CK.Thorpe JF. J. Chem. Soc. 1915, 1080 - For pioneering work on transition-metal-catalyzed [2+2+2] cycloadditions of alkynes with nitriles, see:
-
30a
Wakatsuki Y.Yamazaki H. J. Chem. Soc., Dalton Trans. 1978, 1278 -
30b
Bönnemann H.Brinkmann R. Synthesis 1975, 600 -
30c
Bönnemann H. Angew. Chem., Int. Ed. Engl. 1978, 17: 505 -
30d
See also reference 28a.
- For pioneering work on cobalt-catalyzed [2+2+2] cycloadditions of α,ω-diynes with nitriles, and of cyanoalkynes with monoalkynes, see:
-
31a
Naiman A.Vollhardt KPC. Angew. Chem., Int. Ed. Engl. 1977, 16: 708 -
31b
Brien DJ.Naiman A.Vollhardt KPC. J. Chem. Soc., Chem. Commun. 1982, 133 -
31c
Parnell CA.Vollhardt KPC. Tetrahedron 1985, 41: 5791 - For selected recent examples of transition-metal-catalyzed [2+2+2] cycloadditions of alkynes with nitriles using cobalt(I) catalysts, see:
-
32a
Fatland AW.Eaton BE. Org. Lett. 2000, 2: 3131 -
32b
Heller B.Sundermann B.Buschmann H.Drexler H.-J.You J.Holzgrabe U.Heller E.Oehme G. J. Org. Chem. 2002, 67: 4414 -
32c
Gutnov A.Abaev V.Redkin D.Fischer C.Bonrath W.Heller B. Synlett 2005, 1188 -
32d
Groth U.Huhn T.Kesenheimer C.Kalogerakis A. Synlett 2005, 1758 -
32e
Hrdina R.Stará I.Dufková L.Mitchel S.Cisarová I.Kotora M. Tetrahedron 2006, 62: 968 -
32f
Zhou Y.Porco JA.Snyder JK. Org. Lett. 2007, 9: 393 -
32g
Chang H.-T.Jeganmohan M.Cheng C.-H. Org. Lett. 2007, 9: 505 -
32h
Kase K.Goswami A.Ohtaki K.Tanabe E.Saino N.Okamoto S. Org. Lett. 2007, 9: 931 - Using ruthenium(II) catalysts, see:
-
32i
Yamamoto Y.Okuda S.Itoh K. Chem. Commun. 2001, 1102 -
32j
Yamamoto Y.Ogawa R.Itoh K. J. Am. Chem. Soc. 2001, 123: 6189 -
32k
Varela JA.Castedo L.Saà C. J. Org. Chem. 2003, 68: 8595 -
32l
Yamamoto Y.Kinpara K.Nishiyama H.Itoh K. Adv. Synth. Catal. 2005, 347: 1913 -
32m
Yamamoto Y.Kinpara K.Ogawa R.Nishiyama H.Itoh K. Chem. Eur. J. 2006, 12: 5618 - Using nickel(0) catalysts, see:
-
32n
McCormick MM.Duong HA.Zuo G.Louie J. J. Am. Chem. Soc. 2005, 127: 5030 -
32o
Takevec TN.Zuo G.Simon K.Louie J. J. Org. Chem. 2006, 71: 5834 - For examples of rhodium-catalyzed [2+2+2] cycloadditions of alkynes with nitriles, see:
-
33a
Cioni P.Diversi P.Ingrosso G.Lucherini A.Ronca P. J. Mol. Catal. 1987, 40: 337 -
33b
Cioni P.Diversi P.Ingrosso G.Lucherini A.Ronca P. J. Mol. Catal. 1987, 40: 359 - 34
Tanaka K.Suzuki N.Nishida G. Eur. J. Org. Chem. 2006, 3917 - 35
Grigg R.Scott R.Stevenson P. J. Chem. Soc., Perkin Trans. 1 1988, 1365 - For a recent review on atroposelective synthesis of axially chiral biaryls, see:
-
36a
Bringmann G.Mortimer AJP.Keller PA.Gresser MJ.Garner J.Breuning M. Angew. Chem. Int. Ed. 2005, 44: 5384 - For naturally occurring biaryls, see:
-
36b
Bringmann G.Günther C.Ochse M.Schupp O.Tasler S. In Progress in the Chemistry of Organic Natural Products Vol. 82:Herz W.Falk H.Kirby GW.Moore RE. Springer; Vienna: 2001. p.1 - For chirality exchange from sp3 central chirality to axial chirality, see:
-
37a
Nishii Y.Wakasugi K.Koga K.Tanabe Y. J. Am. Chem. Soc. 2004, 126: 5358 - For a reaction of two chromium carbenes connected with chiral tether with a 1,3-diyne, see:
-
37b
Bao J.Wulff WD.Fumo MJ.Grant EB.Heller DP.Whitcomb MC.Yeung S.-M. J. Am. Chem. Soc. 1996, 118: 2166 - 38 For pioneering work on the synthesis of biaryls by [2+2+2] cycloadditions of alkynes, see:
Sato Y.Ohashi K.Mori M. Tetrahedron Lett. 1999, 40: 5231 - 39
Tanaka K.Nishida G.Wada A.Noguchi K. Angew. Chem. Int. Ed. 2004, 43: 6510 - 40
Gutnov A.Heller B.Fischer C.Drexler H.-J.Spannenberg A.Sundermann B.Sundermann C. Angew. Chem. Int. Ed. 2004, 43: 3795 - 41
Shibata T.Fujimoto T.Yokota K.Takagi K. J. Am. Chem. Soc. 2004, 126: 8382 - For a review on chiral biaryl-type bisphosphine ligands, see:
-
42a
Shimizu H.Nagasaki I.Saito T. Tetrahedron 2005, 61: 5405 - For an account of chiral biaryl-type monophosphine ligands, see:
-
42b
Hayashi T. Acc. Chem. Res. 2000, 33: 354 - 43 For a recent review, see:
Wallace TW. Org. Biomol. Chem. 2006, 4: 3197 - 44 For the synthesis of axially chiral biaryl phosphonates through asymmetric Suzuki cross-coupling, see:
Yin J.Buchwald SL. J. Am. Chem. Soc. 2000, 122: 12051 - 45
Nishida G.Suzuki N.Noguchi K.Tanaka K. Org. Lett. 2006, 8: 3489 -
46a
Yamamoto Y.Hata K.Arakawa T.Itoh K. Chem. Commun. 2003, 1290 -
46b
Yamamoto Y.Saigoku T.Ohgai T.Nishiyama H.Itoh K. Chem. Commun. 2004, 2702 -
46c
Yamamoto Y.Saigoku T.Nishiyama H.Ohgai T.Itoh K. Org. Biomol. Chem. 2005, 3: 1768 -
46d
See also references 9c and 11e.
- 47
Tanaka K.Suda T.Noguchi K.Hirano M. J. Org. Chem. 2007, 72: 2243 -
48a
Kitagawa O.Yoshikawa M.Tanabe H.Morita T.Takahashi M.Dobashi Y.Taguchi T. J. Am. Chem. Soc. 2006, 128: 12923 -
48b
Kitagawa O.Takahashi M.Yoshikawa M.Taguchi T. J. Am. Chem. Soc. 2005, 127: 3676 -
48c
Kitagawa O.Kohriyama M.Taguchi T. J. Org. Chem. 2002, 67: 8682 -
48d
Terauchi J.Curran DP. Tetrahedron: Asymmetry 2003, 14: 587 - 50
Tanaka K.Takeishi K.Noguchi K. J. Am. Chem. Soc. 2006, 128: 4586 - 51 For the synthesis of racemic phosphorus-containing biaryls via the Diels-Alder reaction using phosphorus-containing dienophiles, see:
Ashburn BO.Carter RG. Angew. Chem. Int. Ed. 2006, 45: 6737 - 52 Very recently, Heller and co-workers have reported the synthesis of phosphorus-bearing, axially chiral biaryls by cobalt-catalyzed, asymmetric cross-cyclotrimerization, but both yields and ee values are not sufficient, see:
Heller B.Gutnov A.Fischer C.Drexler H.-J.Spannenberg A.Redkin D.Sundermann C.Sundermann B. Chem. Eur. J. 2007, 13: 1117 - 53
Nishida G.Noguchi K.Hirano M.Tanaka K. Angew. Chem. Int. Ed. 2007, 46: 3951 - 54 Buchwald and co-workers recently reported that the substituents ortho to the phosphorus center of achiral biaryl monophosphines may lock the ligand into a certain conformation, which plays an important role in the palladium-catalyzed cross-coupling reactions, see:
Burgos CH.Barder TE.Huang X.Buchwald SL. Angew. Chem. Int. Ed. 2006, 45: 4321 - For reviews on cyclophanes, see:
-
55a
Modern Cyclophane Chemistry
Gleither R.Hopf H. Wiley; Chichester: 2004. -
55b
Cyclophane Chemistry
Vögtle F. Wiley; Chichester: 1993. - 56 For a review on cyclophane synthesis, see:
Kane VV.De Wolff WH.Bickelhaupt F. Tetrahedron 1994, 50: 4574 - 57
Wijsman GW.de Kanter FJJ.de Wolf WH.Bickelhaupt F. Eur. J. Org. Chem. 2001, 2743 - 58
Tanaka K.Sagae H.Toyoda K.Noguchi K.Hirano M. J. Am. Chem. Soc. 2007, 129: 1522 - For selected recent examples of the synthesis of planar-chiral [n]metacyclophanes, see:
-
60a
Piatek P.Kalisiak J.Jurczak J. Tetrahedron Lett. 2004, 45: 3309 -
60b
Kubik S.Goddard R. J. Org. Chem. 1999, 64: 9475 -
60c
Grimme S.Harren J.Sobanski A.Vögtle F. Eur. J. Org. Chem. 1998, 1491 - 61
Pugin B,Martin P,Mueller M,Naud F,Spindler F,Thommen M,Melone G, andKesselgruber M. inventors; WO 2004089920. - For ruthenium-catalyzed, sequential one-pot transesterification and [2+2+2] cycloaddition of alkynylboronates, see:
-
63a
Yamamoto Y.Ishi J.Nishiyama H.Itoh K. J. Am. Chem. Soc. 2004, 126: 3712 - For its application to the synthesis of phthalides, see:
-
63b
Yamamoto Y.Ishi J.Nishiyama H.Itoh K. J. Am. Chem. Soc. 2005, 127: 9625 - 64
Tanaka K.Osaka T.Noguchi K.Hirano M. Org. Lett. 2007, 9: 1307 -
66a
Chan ASC.Hu W.Pai C.-C.Lau C.-P.Jiang Y.Mi A.Yan M.Sun J.Lou R.Deng J. J. Am. Chem. Soc. 1997, 119: 9570 -
66b
Arai MA.Arai T.Sasai H. Org. Lett. 1999, 1: 1795 -
66c
Hu A.-G.Fu Y.Xie J.-H.Zhou H.Wang L.-X.Zhou Q.-L. Angew. Chem. Int. Ed. 2002, 41: 2348 -
66d
Xie J.-H.Wang L.-X.Fu Y.Zhu S.-F.Fan B.-M.Duan H.-F.Zhou Q.-L. J. Am. Chem. Soc. 2003, 125: 4404 -
67a
Takahashi T.Tsutsui H.Tamura M.Kitagaki S.Nakajima M.Hashimoto S. Chem. Commun. 2001, 1604 -
67b
Tanaka M.Takahashi M.Sakamoto E.Imai M.Matsui A.Fujio M.Sakai K.Suemune H. Tetrahedron 2001, 57: 1197 - 68 Recently Shibata and co-workers used cationic rhodium(I)/modified BINAP complexes for the enantioselective synthesis of spiro compounds, see:
Tsuchikama K.Kuwata Y.Shibata T. J. Am. Chem. Soc. 2006, 128: 13686 - 69
Varela JA.Castedo L.Saá C. Org. Lett. 1999, 1: 2141 - 70
Wada A.Noguchi K.Hirano M.Tanaka K. Org. Lett. 2007, 9: 1295 - 71 For a selected recent example, see:
Burkinshaw SM.Griffiths J.Towns AD. J. Mater. Chem. 1998, 8: 2677 - For our recent publications concerning cationic Rh(I)/modified-BINAP-catalyzed [2+2+2] cycloadditions, see:
-
72a
Tanaka K.Hara H.Nishida G.Hirano M. Org. Lett. 2007, 9: 1907 -
72b
Tanaka K.Otake Y.Wada A.Hirano M. Org. Lett. 2007, 9: 2203 -
72c
Tanaka K.Nishida G.Sagae H.Hirano M. Synlett 2007, 1426
References
For RhCl(PPh3)3-catalyzed [2+2+2] cycloadditions involving alkynamides, see refs 11h, 11i, and 11q.
59For rhodium-catalyzed macrocyclizations to form ortho- and metacyclophanes via intramolecular [2+2+2] cycloaddition of triynes in an aqueous-organic biphasic system, see reference 11n.
62For examples of transesterification in metal-catalyzed [2+2+2] cycloadditions, see references 19c, 19e, and 19f.
65For the synthesis of chiral phthalides by RhCl(PPh3)3-catalyzed [2+2+2] cycloadditions of ester-linked diynes with acetylene, see references 11k and 11l.