Pyridazines. IV. Intramolecular cycloaddition of 3-chloro-6-(2-allyloxyphenoxy)pyridazines.
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چکیده
منابع مشابه
Reaction of alpha-ene-vinylcyclopropanes: type II intramolecular [5+2] cycloaddition or [3+2] cycloaddition?
Exposure of alpha-ene-VCPs to catalytic [Rh(dppm)]SbF(6) led to the discovery of a novel Rh(I)-catalyzed [3+2] reaction, which was shown to be efficient for the construction of 5/6- and 5/7-bicyclic compounds rather than the anticipated type II [5+2] products.
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Intramolecular formal [4+2] cycloaddition between 3-ethoxycyclobutanones and a carbon-carbon double bond to the corresponding bicyclo[4.n.0]alkan-2-one derivatives proceeded effectively by using ethylaluminium dichloride.
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Readily accessible alk-5-enylidenecyclopropanes undergo [3 + 2] intramolecular cycloaddition reactions upon treatment with appropriate palladium complexes. The method allows the rapid and efficient assembly of a variety of bicyclo[3.3.0]octane systems with up to three stereocenters. Preliminary theoretical calculations uncovered previously unsuspected mechanistic possibilities based on either a...
متن کامل1-{6-Chloro-2-[(2-chloro-6-methylquinolin-3-yl)methoxy]-4-phenylquinolin-3-yl}ethanone
In the title compound, C(28)H(20)Cl(2)N(2)O(2), the 2-chloro-quinoline and 6-chloro-quinoline ring systems are twisted slightly, making a dihedral angle of 4.05 (3)°. The dihedral angle between the 2-quinoline ring system and the phenyl ring attached to it is 74.43 (5)°. In the crystal structure, a pair of inter-molecular C-H⋯O hydrogen bonds connect the mol-ecules, forming centrosymmetric dime...
متن کامل2-Chloro-6-methylquinoline-3-carbaldehyde
The quinolinyl fused-ring of the title compound, C(11)H(8)ClNO, is almost planar (r.m.s. deviation = 0.013 Å); the formyl group is slightly bent out of the plane of the fused ring system [C-C-C-O torsion angle = 13.5 (4)°].
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1980
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.28.198