-
3
-
-
0000379927
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-
Floyd, D. M.; Fritz, A. W.; Cimarusti, C. M. J. Org Chem. 1982, 47, 176.
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J. Org Chem.
, vol.47
, pp. 176
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-
Floyd, D.M.1
Fritz, A.W.2
Cimarusti, C.M.3
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4
-
-
85022240750
-
-
Preliminary accounts of this work have been published. See:, Belgian Patent 887-428
-
Preliminary accounts of this work have been published. See: Sykes, R. B., et al. Belgian Patent 887-428, 1980.
-
(1980)
-
-
Sykes, R.B.1
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5
-
-
0009268666
-
-
The persulfate-mediated demethylation of amides is well-known. See
-
The persulfate-mediated demethylation of amides is well-known. See: Needles, H. L.; Whitfield, R. E. J. Org. Chem. 1964, 29, 3632.
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(1964)
J. Org. Chem.
, vol.29
, pp. 3632
-
-
Needles, H.L.1
Whitfield, R.E.2
-
6
-
-
85022299610
-
-
The reported yields range from 32 to 73%. See: (a), U. S. Patent 4166816, Sept 4
-
Workers at SKF have utilized this reaction for the preparation of various N-unsubstituted azetidinones from the corresponding N-(2,4-dimethoxybenzyl) compounds. The reported yields range from 32 to 73%. See: (a) Gleason, J. G.; Delran, K. G.; Huffman, W. F. U. S. Patent 4166816, Sept 4, 1979;
-
(1979)
Workers at SKF have utilized this reaction for the preparation of various N-unsubstituted azetidinones from the corresponding N-(2,4-dimethoxybenzyl) compounds.
-
-
Gleason, J.G.1
Delran, K.G.2
Huffman, W.F.3
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7
-
-
85022291020
-
-
Chem. Abstr. 1979, 92, 654.
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(1979)
Chem. Abstr.
, vol.92
, pp. 654
-
-
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8
-
-
0017410318
-
-
Huffman, W. F.; Holden, K. G.; Buckley, T. F., III; Gleason, J. G.; Wu, L. J. Am. Chem. Soc. 1977, 99, 2352.
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(1977)
J. Am. Chem. Soc.
, vol.99
, pp. 2352
-
-
Huffman, W.F.1
Holden, K.G.2
Buckley, T.F.3
Gleason, J.G.4
Wu, L.5
-
9
-
-
0017396929
-
-
Gleason, J. G.; Bryan, D. B.; Hall, R. F.; Holden, K. G.; Huffman, W. F. J. Am. Chem. Soc. 1977, 99, 2353.
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(1977)
J. Am. Chem. Soc.
, vol.99
, pp. 2353
-
-
Gleason, J.G.1
Bryan, D.B.2
Hall, R.F.3
Holden, K.G.4
Huffman, W.F.5
-
10
-
-
84918663482
-
-
Bose has reported the debenzylation of N-(3,4-dimethoxybenzyl)-azetidinones with persulfate in low yields (21–35%). See ref 7 and: (a)
-
Bose has reported the debenzylation of N-(3,4-dimethoxybenzyl)-azetidinones with persulfate in low yields (21–35%). See ref 7 and: (a) Bose, A. K., et al. Tetrahedron Lett. 1979, 2271.
-
(1979)
Tetrahedron Lett.
, pp. 2271
-
-
Bose, A.K.1
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12
-
-
0019468666
-
-
For a recent review see
-
For a recent review see: Bose, A. K., et al. Tetrahedron 1981, 37, 2321.
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(1981)
Tetrahedron
, vol.37
, pp. 2321
-
-
Bose, A.K.1
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13
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0018819521
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Fukuyama, T.; Frank, R. K.; Jewell, C. F., Jr. J. Am. Chem. Soc. 1980, 102, 2122.
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(1980)
J. Am. Chem. Soc.
, vol.102
, pp. 2122
-
-
Fukuyama, T.1
Frank, R.K.2
Jewell, C.F.3
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14
-
-
0012022093
-
-
Although 6 is not drawn as an intermediate by the authors in ref 8, the conditions employed in step 1 of eq 2 are standard for deprotecting phenolic methoxymethyl ethers. Cf.:, In particular, note ref 4 of this paper
-
Although 6 is not drawn as an intermediate by the authors in ref 8, the conditions employed in step 1 of eq 2 are standard for deprotecting phenolic methoxymethyl ethers. Cf.: Yardely, J. P.; Fletcher, H., III. Synthesis 1976, 244. In particular, note ref 4 of this paper.
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(1976)
Synthesis
, pp. 244
-
-
Yardely, J.P.1
Fletcher, H.2
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15
-
-
0017318125
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-
Castagnoli, N.; Jacob, P., III; Callery, P. S.; Shulgin, A. T. J. Org. Chem. 1976, 41, 3627.
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(1976)
J. Org. Chem.
, vol.41
, pp. 3627
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-
Castagnoli, N.1
Jacob, P.2
Callery, P.S.3
Shulgin, A.T.4
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16
-
-
84985288546
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-
Bose, A. K.; Sharma, S. D.; Kapur, J. C.; Manhas, M. S. Synthesis 1973, 216.
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(1973)
Synthesis
, pp. 216
-
-
Bose, A.K.1
Sharma, S.D.2
Kapur, J.C.3
Manhas, M.S.4
-
17
-
-
0009580956
-
-
For a discussion of the factors controlling the stereochemistry of azetidinones produced in the reaction of imines with acid chlorides/anhydrides see
-
For a discussion of the factors controlling the stereochemistry of azetidinones produced in the reaction of imines with acid chlorides/anhydrides see: (a) Moore, H. W.; Hernandez, L., Jr.; Chambers, R. J. Am. Chem. Soc. 1978, 100, 2245.
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(1978)
J. Am. Chem. Soc.
, vol.100
, pp. 2245
-
-
Moore, H.W.1
Hernandez, L.2
Chambers, R.3
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18
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-
0001695634
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Just, G.; Ugulini, A.; Zambani, R. Synth. Commun. 1979, 9 (2), 117.
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(1979)
Synth. Commun.
, vol.9
, Issue.2
, pp. 117
-
-
Just, G.1
Ugulini, A.2
Zambani, R.3
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20
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-
0017600254
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Doyle, T. W.; Belleau, B.; Luh, B. Y.; Ferrari, C. F.; Cunningham, M. P. Can. J. Chem. 1977, 55, 468.
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(1977)
Can. J. Chem.
, vol.55
, pp. 468
-
-
Doyle, T.W.1
Belleau, B.2
Luh, B.Y.3
Ferrari, C.F.4
Cunningham, M.P.5
-
22
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-
84918105150
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-
Mluchowski, J.; Syper, L.; Kloc, K.; Szule, Z. Synthesis 1979, 521.
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(1979)
Synthesis
, pp. 521
-
-
Mluchowski, J.1
Syper, L.2
Kloc, K.3
Szule, Z.4
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25
-
-
85022264991
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-
When applied to compound 16 this protocol was vastly inferior to the one delineated in this paper
-
Chem. Abstr., 1971, 74, 12982. When applied to compound 16 this protocol was vastly inferior to the one delineated in this paper.
-
(1971)
Chem. Abstr.
, vol.74
, pp. 12982
-
-
-
26
-
-
0016720754
-
-
For other methods of preparing N-unsubstituted azetidinones see, inter alia the following. (a) The review by:, and references therein
-
For other methods of preparing N-unsubstituted azetidinones see, inter alia the following. (a) The review by: Mukerjee, A. K.; Singh, A. K. Synthesis 1975, 547 and references therein,
-
(1975)
Synthesis
, pp. 547
-
-
Mukerjee, A.K.1
Singh, A.K.2
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29
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-
0003005276
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-
Bose, A. K.; Kapur, J. C.; Sharma, S. D.; Manhas, M. S. Tetrahedron Lett. 1973, 2319.
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(1973)
Tetrahedron Lett.
, pp. 2319
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-
Bose, A.K.1
Kapur, J.C.2
Sharma, S.D.3
Manhas, M.S.4
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