-
2
-
-
0035822063
-
-
(b) Graham, M. A.; Wadsworth, A. H.; Thornton-Pett, M.; Rayner, C. M. Chem. Commun. 2001, 966-967.
-
(2001)
Chem. Commun.
, pp. 966-967
-
-
Graham, M.A.1
Wadsworth, A.H.2
Thornton-Pett, M.3
Rayner, C.M.4
-
3
-
-
0036462501
-
-
(a) Andersson, M. A.; Epple, R.; Fokin, V. V.; Sharpless, K. B. Angew. Chem., Int. Ed. 2002, 41, 472.
-
(2002)
Angew. Chem., Int. Ed.
, vol.41
, pp. 472
-
-
Andersson, M.A.1
Epple, R.2
Fokin, V.V.3
Sharpless, K.B.4
-
5
-
-
33947487292
-
-
[3+2] azide/olefin cycloadditions exhibit large, negative activation entropies: (a) Scheiner, P.; Schomaker, J. H.; Deming, S.; Libbey, W. J.; Nowack, G. P. J. Am. Chem. Soc. 1965, 87, 306. High pressure has been shown to accelerate triazoline formation: (b) Anderson, G. T.; Henry, J. R.; Weinreb, S. M. J. Org. Chem. 1991, 56, 6946.
-
(1965)
J. Am. Chem. Soc.
, vol.87
, pp. 306
-
-
Scheiner, P.1
Schomaker, J.H.2
Deming, S.3
Libbey, W.J.4
Nowack, G.P.5
-
6
-
-
0007355478
-
-
[3+2] azide/olefin cycloadditions exhibit large, negative activation entropies: (a) Scheiner, P.; Schomaker, J. H.; Deming, S.; Libbey, W. J.; Nowack, G. P. J. Am. Chem. Soc. 1965, 87, 306. High pressure has been shown to accelerate triazoline formation: (b) Anderson, G. T.; Henry, J. R.; Weinreb, S. M. J. Org. Chem. 1991, 56, 6946.
-
(1991)
J. Org. Chem.
, vol.56
, pp. 6946
-
-
Anderson, G.T.1
Henry, J.R.2
Weinreb, S.M.3
-
7
-
-
0034796434
-
-
Fioravanti, S.; Morreale, A.; Pellacani, L.; Tardella, P. A. Synthesis 2001, 1975.
-
(2001)
Synthesis
, pp. 1975
-
-
Fioravanti, S.1
Morreale, A.2
Pellacani, L.3
Tardella, P.A.4
-
11
-
-
0001183472
-
-
Milligan, G. L.; Mossman, C. J.; Aubé, J. J. Am. Chem. Soc. 1995, 117, 10449.
-
(1995)
J. Am. Chem. Soc.
, vol.117
, pp. 10449
-
-
Milligan, G.L.1
Mossman, C.J.2
Aubé, J.3
-
12
-
-
0001044294
-
-
For the alkylation of azides by carbenium ions often formed by Lewis or Brønsted acid, see: (a) Pearson, W. H. J. Heterocycl. Chem. 1996, 33, 1489. (b) Pearson, W. H.; Walavalkar, R.; Schkeryantz, J. M.; Fang, W.; Blickensdorf, J. D. J. Am. Chem. Soc. 1993, 115, 10183. (c) Pearson, W. H.; Schkeryantz, J. M. Tetrahedron Lett. 1992, 33, 5291.
-
(1996)
J. Heterocycl. Chem.
, vol.33
, pp. 1489
-
-
Pearson, W.H.1
-
13
-
-
0000495737
-
-
For the alkylation of azides by carbenium ions often formed by Lewis or Brønsted acid, see: (a) Pearson, W. H. J. Heterocycl. Chem. 1996, 33, 1489. (b) Pearson, W. H.; Walavalkar, R.; Schkeryantz, J. M.; Fang, W.; Blickensdorf, J. D. J. Am. Chem. Soc. 1993, 115, 10183. (c) Pearson, W. H.; Schkeryantz, J. M. Tetrahedron Lett. 1992, 33, 5291.
-
(1993)
J. Am. Chem. Soc.
, vol.115
, pp. 10183
-
-
Pearson, W.H.1
Walavalkar, R.2
Schkeryantz, J.M.3
Fang, W.4
Blickensdorf, J.D.5
-
14
-
-
0026783154
-
-
For the alkylation of azides by carbenium ions often formed by Lewis or Brønsted acid, see: (a) Pearson, W. H. J. Heterocycl. Chem. 1996, 33, 1489. (b) Pearson, W. H.; Walavalkar, R.; Schkeryantz, J. M.; Fang, W.; Blickensdorf, J. D. J. Am. Chem. Soc. 1993, 115, 10183. (c) Pearson, W. H.; Schkeryantz, J. M. Tetrahedron Lett. 1992, 33, 5291.
-
(1992)
Tetrahedron Lett.
, vol.33
, pp. 5291
-
-
Pearson, W.H.1
Schkeryantz, J.M.2
-
15
-
-
0001091058
-
-
For an excellent example in which azide-olefin [3+2] cycloaddition provides a triazoline that thermally forms aziridine-but via diazo insertion to an imine-see: Sha, C.-K.; Ouyang, S.-L.; Hsieh, D.-Y.; Chang, R.-C.; Chang, S.-C. J. Org. Chem. 1986, 51, 1490.
-
(1986)
J. Org. Chem.
, vol.51
, pp. 1490
-
-
Sha, C.-K.1
Ouyang, S.-L.2
Hsieh, D.-Y.3
Chang, R.-C.4
Chang, S.-C.5
-
16
-
-
84980265161
-
-
(a) Huisgen, R.; Szeimies, G.; Mobius, L. Chem. Ber. 1966, 99, 475.
-
(1966)
Chem. Ber.
, vol.99
, pp. 475
-
-
Huisgen, R.1
Szeimies, G.2
Mobius, L.3
-
17
-
-
0000612741
-
-
(b) Broeckx, W.; Overbergh, N.; Samyn, C.; Smets, G.; L'Abbé, G. Tetrahedron 1971, 27, 3527.
-
(1971)
Tetrahedron
, vol.27
, pp. 3527
-
-
Broeckx, W.1
Overbergh, N.2
Samyn, C.3
Smets, G.4
L'Abbé, G.5
-
18
-
-
3142738147
-
-
Leading references: (a) Dahl, R. S.; Finney, N. S. J. Am. Chem. Soc. 2004, 126, 8356-8357. (b) Allemann, S.; Vogel, P. Synthesis 1991, 923-928.
-
(2004)
J. Am. Chem. Soc.
, vol.126
, pp. 8356-8357
-
-
Dahl, R.S.1
Finney, N.S.2
-
19
-
-
0025948459
-
-
Leading references: (a) Dahl, R. S.; Finney, N. S. J. Am. Chem. Soc. 2004, 126, 8356-8357. (b) Allemann, S.; Vogel, P. Synthesis 1991, 923-928.
-
(1991)
Synthesis
, pp. 923-928
-
-
Allemann, S.1
Vogel, P.2
-
20
-
-
13444299204
-
-
ring expansions
-
For additional examples of triazoline decomposition pathways, see: (a) Wohl, R. A. J. Org. Chem. 1973, 38, 3862 (ring expansions). (b) Goldsmith, D. J.; Soria, J. J. Tetrahedron Lett. 1986, 39, 4701. (c) Hermes, M. E.; Marsh, F. D. J. Org. Chem. 1972, 37, 2969.
-
(1973)
J. Org. Chem.
, vol.38
, pp. 3862
-
-
Wohl, R.A.1
-
21
-
-
0003232072
-
-
For additional examples of triazoline decomposition pathways, see: (a) Wohl, R. A. J. Org. Chem. 1973, 38, 3862 (ring expansions). (b) Goldsmith, D. J.; Soria, J. J. Tetrahedron Lett. 1986, 39, 4701. (c) Hermes, M. E.; Marsh, F. D. J. Org. Chem. 1972, 37, 2969.
-
(1986)
Tetrahedron Lett.
, vol.39
, pp. 4701
-
-
Goldsmith, D.J.1
Soria, J.J.2
-
22
-
-
0042955626
-
-
For additional examples of triazoline decomposition pathways, see: (a) Wohl, R. A. J. Org. Chem. 1973, 38, 3862 (ring expansions). (b) Goldsmith, D. J.; Soria, J. J. Tetrahedron Lett. 1986, 39, 4701. (c) Hermes, M. E.; Marsh, F. D. J. Org. Chem. 1972, 37, 2969.
-
(1972)
J. Org. Chem.
, vol.37
, pp. 2969
-
-
Hermes, M.E.1
Marsh, F.D.2
-
23
-
-
0001113839
-
-
Acid-induced decomposition of triazolines via N1-N2 cleavage; leading references: (a) Smith, R. H., Jr.; Wladkowski, B. D.; Taylor, J. E.; Thompson, E. J.; Pruski, B.; Klose, J. R.; Andrews, A. W.; Michejda, C. J. J. Org. Chem. 1993, 58, 2097-2103. (b) Hünig, S.; Schmitt, M. Liebigs Ann. 1996, 559-573.
-
(1993)
J. Org. Chem.
, vol.58
, pp. 2097-2103
-
-
Smith Jr., R.H.1
Wladkowski, B.D.2
Taylor, J.E.3
Thompson, E.J.4
Pruski, B.5
Klose, J.R.6
Andrews, A.W.7
Michejda, C.J.8
-
24
-
-
33749136395
-
-
Acid-induced decomposition of triazolines via N1-N2 cleavage; leading references: (a) Smith, R. H., Jr.; Wladkowski, B. D.; Taylor, J. E.; Thompson, E. J.; Pruski, B.; Klose, J. R.; Andrews, A. W.; Michejda, C. J. J. Org. Chem. 1993, 58, 2097-2103. (b) Hünig, S.; Schmitt, M. Liebigs Ann. 1996, 559-573.
-
(1996)
Liebigs Ann.
, pp. 559-573
-
-
Hünig, S.1
Schmitt, M.2
-
25
-
-
0035830527
-
-
However, acid-promoted decomposition of benzyl azide to the corresponding Mannich base can be efficient: Wrobleski, A.; Aube, J. J. Org. Chem. 2001, 66, 886.
-
(2001)
J. Org. Chem.
, vol.66
, pp. 886
-
-
Wrobleski, A.1
Aube, J.2
-
26
-
-
13444276113
-
-
note
-
As expected, most Lewis acids resulted only in unchanged starting materials, regardless of the hard/soft character of the Lewis acid.
-
-
-
-
27
-
-
0000522802
-
-
For the hydrolysis of oxazolidine diones, see: (a) Shapiro, S. L.; Rose, I. M.; Testa, F. C.; Roskin, E.; Freedman, L. J. Am. Chem. Soc. 1959, 81, 6498. (b) Finkbeiner, H. J. Am. Chem. Soc. 1965, 87, 4588.
-
(1959)
J. Am. Chem. Soc.
, vol.81
, pp. 6498
-
-
Shapiro, S.L.1
Rose, I.M.2
Testa, F.C.3
Roskin, E.4
Freedman, L.5
-
28
-
-
6544288393
-
-
For the hydrolysis of oxazolidine diones, see: (a) Shapiro, S. L.; Rose, I. M.; Testa, F. C.; Roskin, E.; Freedman, L. J. Am. Chem. Soc. 1959, 81, 6498. (b) Finkbeiner, H. J. Am. Chem. Soc. 1965, 87, 4588.
-
(1965)
J. Am. Chem. Soc.
, vol.87
, pp. 4588
-
-
Finkbeiner, H.1
-
29
-
-
0242628713
-
-
Interestingly, cyclic enones are transformed to their ring-contracted vinylogous amides under similar conditions: Reddy, D. S.; Judd, W. R.; Aubé, J. Org. Lett. 2003, 5, 3899.
-
(2003)
Org. Lett.
, vol.5
, pp. 3899
-
-
Reddy, D.S.1
Judd, W.R.2
Aubé, J.3
|