-
3
-
-
84980167410
-
-
For reviews of this intramolecular cycloaddition reaction see, Int. Ed. Engl.
-
(1977)
Angew. Chem.
, vol.16
, pp. 10
-
-
Oppolzer1
-
5
-
-
84989463058
-
1,3-Dipolar Cycloaddition Reactions of Nitrones
-
For reviews of this intramolecular cycloaddition reaction
-
(1975)
Synthesis
, pp. 205
-
-
Black1
Crozier2
Davis3
-
15
-
-
0000650546
-
α-Bisabolol
-
The preparation of monocyclic terpenes by implementation of this general strategy has been reported.
-
(1979)
J. Org. Chem.
, vol.44
, pp. 953
-
-
Schwartz1
Swanson2
-
17
-
-
84984276334
-
iridoids
-
The preparation of monocyclic terpenes by implementation of this general strategy has been reported., The preparation of the perhydroazulene skeleton has also been accomplished.
-
(1983)
Bull. Soc. Chim. Belg.
, vol.92
, pp. 1019
-
-
Vandewalle1
Storme2
Callant3
-
25
-
-
84918088304
-
-
a For a recent compilation of: previous hirsutene total syntheses, see ref. 3 of ref. 6b
-
-
-
-
31
-
-
84918088303
-
-
This structural assignment is based on very similar coupling constants and chemical shift values of the oxymethylene proton resonances for 21 and 14 in contrast to those for 26.
-
-
-
-
40
-
-
0001223301
-
-
In our hands, the Wolf-Kishner reduction of endo-3-oxobicyclo[3.2.1]octane-6-carboxylic acid proceeded with partial (80%) concomitant epimerization to the exo-acid.
-
(1979)
J. Org. Chem.
, vol.44
, pp. 2210
-
-
Moriarty1
Chien2
Adams3
-
43
-
-
84918087319
-
-
For a partial listing, see ref. 2 in ref. 6a.
-
-
-
-
44
-
-
0346701595
-
Die synchrone Fragmentierung von ?-Amino-cycloalkylhalogeniden 1. Teil. Die Solvolyse von 1-Amino-3-brom-adamantanen. Fragmentierungs-Reaktionen. 10. Mitteilung
-
To the best of our knowledge, only adamantane derivatives have been investigated, for example, 1-amino-3-chloro-adamantane
-
(1964)
Helvetica Chimica Acta
, vol.47
, pp. 1870
-
-
Grob1
Schwarz2
-
52
-
-
33847088517
-
-
The stereochemistry of the Sakurai reaction with substituted cyclohexenones and cycloheptenones has recently been reported.
-
(1977)
J. Am. Chem. Soc.
, vol.99
, pp. 1673
-
-
Hosomi1
Sakurai2
-
55
-
-
0343121320
-
-
The reductive cleavage of γ-bromo ketones has been observed previously. See
-
(1968)
Tetrahedron
, vol.24
, pp. 1655
-
-
Baker1
Davis2
-
56
-
-
0013584673
-
A Stereoselective Approach to the Spiro [4, 5]decane System via Intramolecular Photocycloaddition and Reductive Fragmentation. Preliminary communication
-
The reductive cleavage of γ-bromo ketones has been observed previously. See
-
(1981)
Helvetica Chimica Acta
, vol.64
, pp. 186
-
-
Oppolzer1
Gorrichon2
Bird3
-
58
-
-
84918087317
-
-
Commercially available from Petrarch Systems, Inc.
-
-
-
-
59
-
-
5244340618
-
-
Similar isomerizations have been observed previously and attributed to the angle strain inherent in bicyclo[3.3.0]oct-1-ene, see
-
(1975)
J. Org. Chem.
, vol.40
, pp. 1699
-
-
Agosta1
Wolff2
-
77
-
-
84918087315
-
-
26a
-
-
-
-
78
-
-
84918087314
-
-
Prepared in 20% yield by addition of 2-propenylmagnesium bromide to the sodium enolate (NaH) of 1,3-cyclo- hexandione followed by standard aqueous workup.
-
-
-
-
79
-
-
84918087313
-
-
47b to the sodium enolate (NaH) of 1,3-cyclohexandione
-
-
-
-
83
-
-
84918087311
-
-
2; (4) PCC.
-
-
-
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