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Jan Vader
12Publications
6H-index
97Citations
Publications 12
Newest
Published on Jan 1, 1989in Journal of Organic Chemistry 4.75
Jan Vader6
Estimated H-index: 6
,
L. L. Doddema1
Estimated H-index: 1
+ 3 AuthorsPaul T. Beurskens21
Estimated H-index: 21
Published on Jan 1, 1989in Tetrahedron 2.38
Jan Vader6
Estimated H-index: 6
,
Hubert Sengers1
Estimated H-index: 1
,
Groot de Ae29
Estimated H-index: 29
Substituted furo[2,3b]furans, furo[2,3b]furan-2-ols and furo[2,3b]furan-2-ones were synthesized in a stereoselective manner. The key steps were the reactions of α-lithio-nitriles and dilithio-carboxylates with mono-substituted oxiranes.
Published on Jan 1, 1989in Tetrahedron 2.38
Jan Vader6
Estimated H-index: 6
,
Lucas L. Doddema1
Estimated H-index: 1
+ 3 AuthorsPaul T. Beurskens21
Estimated H-index: 21
(Radboud University Nijmegen)
Abstract The synthesis of a key intermediate, 1,2,3,4,4a,5,6,7,8,8aβ-perhydro-4α-isopropyldimethylsilyloxy-4aα-isopropyldimethylsilyloxy-methyl-1α,2α-dimethyl-5-methylene-naphthalene-1β-carbaldehyde 31 , in the total synthesis of insect antifeedant clerodanes is described. The stereochemistry of this intermediate is proven by an X-ray analysis of one of its precursors e.g. 10α-acetoxy-7β-(1,3-dioxolan-2-yl)-3,3aβ,4,5,6,6aβ,7,8,9,10-octahydro-7α,8α-dimethyl-1H-naphtho[1,8aα-c] furan 25 . Crystal ...
Published on Jan 1, 1989in Journal of Organic Chemistry 4.75
Jan Vader6
Estimated H-index: 6
,
H. Sengers , Groot de Ae29
Estimated H-index: 29
Published on Jan 1, 1988
Jan Vader6
Estimated H-index: 6
,
H.H.W.J.M. Sengers1
Estimated H-index: 1
,
Groot de Ae29
Estimated H-index: 29
Published on Jan 1, 1988in Tetrahedron 2.38
Jan Vader6
Estimated H-index: 6
,
Rimco Koopmans1
Estimated H-index: 1
+ 2 AuthorsKerk van der S. M2
Estimated H-index: 2
Abstract New reagents for the stereoselective synthesis of 2-substituted perhydrofuro[2,3b]furanas are described. Ia the successful approach towards the latter compounds, the key steps were the addition of a aonolithio-2α-methoxy-3β-[(phenylsulfonyl)-methyilperhydrofuran to an aldehyde and a dilithio-2α-methoxy-3β-[(pheaylsulfonyl)-methyl]perhydrofuran to a carboxy1 derivative, respectively. The structures and conformations of the 2-tert-butylmtyl- and Z-isopropylper-hydrofuro [2,3b]furans were ...
12