Stereoselective addition of benzophenone to (C5Me5) Hf (2, 3-dimethyl-1, 3-butadiene)Cl
نویسندگان
چکیده
منابع مشابه
1′,6-Dimethyl-4′-phenyldispiro[1-benzopyran-3(4H),3′-pyrrolidine-2′,3′′-indoline]-2,2′′-dione
In the title compound, C(27)H(24)N(2)O(3), the five-membered pyrroldine ring adopts an envelope conformation (with the N atom in the flap position) and the six-membered pyran-one ring of the coumarine ring system adopts a slightly distorted boat conformation. The oxindole unit makes dihedral angles of 89.7 (1) and 25.6 (1)°, respectively, with the pyrrolidine ring and the coumarin ring system. ...
متن کامل3-(3-Chlorophenylsulfonyl)-2,5-dimethyl-1-benzofuran
In the title molecule, C(16)H(13)ClO(3)S, the 3-chloro-phenyl ring makes a dihedral angle of 76.30 (5)° with the mean plane of the benzofuran fragment. In the crystal, pairs of inter-molecular C-H⋯π inter-actions link the mol-ecules into inversion dimers.
متن کامل(2E)-1-(2,5-Dimethyl-3-thienyl)-3-(2-methoxyphenyl)prop-2-en-1-one
In the title compound, C(16)H(16)O(2)S, the central propenone group is almost planar (r.m.s. deviation = 0.009 Å) and subtends dihedral angles of 8.55 (8) and 16.22 (8)° to the 2-meth-oxy-phenyl and 2,5-dimethyl-thio-phene residues, respectively. The dihedral angle between the ring systems is 23.47 (5)°. In the crystal, mol-ecules are linked by weak C-H⋯π inter-actions and aromatic π-π stacking...
متن کامل(E)-1-(2,5-Dimethyl-3-thienyl)-3-(2-hydroxyphenyl)prop-2-en-1-one
In the title compound, C(15)H(14)O(2)S, the dihedral angle between the aromatic rings is 8.46 -(8)°. The central enone group is planar (r.m.s. deviation = 0.0267 Å) and is oriented at a dihedral angle of 1.20 (9)° with respect to the benzene ring and at 8.27 (9)° with respect to the thio-phene group. In the crystal, the mol-ecules are linked into polymeric chains extending along the b axis due ...
متن کامل2-(4-{3-[1-(3-Bromopropyl)-3,3-dimethyl-2,3-dihydro-1H-indol-2-ylidene]prop-1-enyl}-3-cyano-5,5-dimethyl-2,5-dihydrofuran-2-ylidene)malononitrile
The backbone of the title mol-ecule, C(26)H(25)BrN(4)O, is approximately planar: the dihedral angle between the planes of the indoline ring system and the furan ring is 7.68 (14)°. In the crystal, layers lying parallel to (10) occur, with the mol-ecules inter-acting via weak C-H⋯N(cyano) and C-H⋯Br bonds and short N(cyano)⋯Br contacts [3.345 (4) Å].
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ژورنال
عنوان ژورنال: Recueil des Travaux Chimiques des Pays-Bas
سال: 2010
ISSN: 0165-0513
DOI: 10.1002/recl.19871060806