Cyclopentadiene compound substituted with branched alkyl groups

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

556 11, 556 43, 556 58, 556136, 556140, 534 15, 526127, 526160, 526943, 502103, 502117, 585350, C07F 1700, C07F 700

Patent

active

061244880

ABSTRACT:
Polysubstituted cyclopentadiene compound, in which at least one substituent is of the form -RDR'.sub.n, in which R is a bonding group, D is a hetero atom selected from group 15 or 16 of the Periodic System of the Elements, R' is a substituent and n is the number of R' groups bonded to D, and in that at least one further substituent is a branched alkyl group.

REFERENCES:
patent: 2916503 (1959-12-01), Kozikowski
patent: 5563284 (1996-10-01), Frey et al.
Szymoniak et al., "New Heterodifunctional Ligands for Organotransiton-Metal Chemistry . . . ", Journal of Organic Chemistry, 1990, vol. 55, pp. 1429-1432.
Ying Mu et al., "Use of Alkane Elimination in the One-step Synthesis of Organoscandium Complexes Containing a New Multidentate Cyclopentadienyl Ligand", Organometallics, 1996, vol. 15, pp. 2720-2726.
Chemical Abstracts, vol. 123, No. 13 (Sep. 1995), Abstract No. 169881g.
Weinheim DE, K. Hafner et al., "Synthesen und Reaktionen von Fulvenaldehyden", Chemische Berichte, 1963, vol. 661, pp. 52-75.
G. Kresze et al., "Substitierte Cyclopentadiene und ihre Diels-Alder-Reaktionen", Chemische Berichte, 1963, vol. 666, pp. 45-53.
Krut'ko, D.P. et al., "Tetramethyl(2-methyltioethyl)cyclopentadienyl Complexes of Zirconium(IV): Synthesis, . . . Solutions", Russian Chemical Bulletin, 1996, vol. 45, No. 4, pp. 940-949.
Ulrich Siemeling, "C.sub.5 Me.sub.4 (CH.sub.2).sub.3 OMe: A Tentacle-bearing Cyclopentadienyl Ligand and Its Use in Complex Chemistry", J. Chem. Soc. Commun., 1992, vol. 18, pp. 1335-1336.
R. Allen Williams et al., `Encapsulated Alkaline-Earth Metallocenes. Synthesis, Solution Behavior, and Solid-State Structures of . . .,` Journal of the American Chemical Society, vol. 113, No. 13, Jun. 19, 1991, pp 4843-4851.
Clifford G. Venier et al., `D-tert-butylcyclopentadiene and Tri-tert-butylcyclopentadiene`, Journal of the American Chemical Society, vol. 112, No. 7, Mar. 28, 1990.
Eckehard V. Dehmlow et al., `Phase Transfer Catalyzed tert-Alkylations of Cyclopentadiene and Indene: Indications for Set Processess`, Tetrahedron Letters, vol. 32, No. 41, Oct. 1991.
R.H. Chung, et al., "1-Isopropyl-4-methylenebicyclo[3.1.0]hex-2-ene. Synthesis and reactions", J. Amer. Chem. Soc., vol. 94(7), pp. 2183-2187, 1972.
G. Moran et al., "Formation of a fulvene by trimerisation of an alkyne at a Rhodium centre; . . . ", Journal of Organometallic Chemistry, vol. 250, 1983, pp. C15-C20.
T. Jeffrey Clark et al., "Regioselective synthesis of dialkyl-1, 3-cyclopentadienes via novel 2-alkyl-6,6-dialkylfulvenes" Synlett (1990), (10), 589-90.
T. Leigh, "Ferrocene Derivatives containing Tertiary Alkyl Groups. Synthesis by the Friedel-Crafts and Other Methods", Journal of the Chemical Society, 1964, Letchworth GB, pp. 3294-3302.
R.R. Schrock et al., "Formation of Cyclopentadienyl Complexes from Tungstenacyclobutadiene Complexes and the X-ray Crystal Structure of an eta-3-Cyclopropenyl Complex, W[C(CMe3)C(Me)C(Me)](Me2NCH2CH2NMe2)CI3", Organometallics, vol. 3, No. 10, 1984, pp. 1574-1583.
H. Van Der Heijden et al., "Reactions of the Trimetallic Neopentylidene Complex [{CI2(MeOCH2CH20Me)Ta(mu-CCMe3)}2Zn(mu-CI)2] with Alkynes. A Structural Study of [(eta5-C5(t-Bu)(CH2CMe3)2(CH2CMe2CH2)2)TaC12]", Organometallics, vol. 4, No. 10, 1985, pp. 1847-1853.
Sappa Enrico et al., "Mass spectral investigations on sigma-pi bonded binuclear alkyne-carbonyl derivatives of iron. Fe2(CO)5/C2RR')3(C)) and Fe2(CO)6/RR')3 complexes", Chemical Abstracts, vol. 91, No. 9 (Aug. 27, 1979, Abstract No. 73791x.
Bensley, Jr. et al.; "Synthesis of [C.sub.5 (CH.sub.3).sub.4 H]CH.sub.2 CH.sub.2 P(C.sup.6 H.sub.5).sub.2 : A Novel . . . Functionality"; J. Org. Chem. 1988, vol. 53, pp. 4417-4419.
Balakrishnan, P.V. et al; (Pentamethyl-cyclopentadiene)palladium Complexes; J. Chem. Soc. (A), Inorg. Phys. Theor.; 1971, pp. 1721-1725.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Cyclopentadiene compound substituted with branched alkyl groups does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cyclopentadiene compound substituted with branched alkyl groups, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cyclopentadiene compound substituted with branched alkyl groups will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2101535

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.