Synthesis of highly crowded cyclopentadienes via reactions of Cp2 Ni and CpSn(CH3 )3 with triarylmethylhalogenides. Molecular structure of 1-(CH3 )3 Si(3-Ph3 C)C5 H4
Publication type: Journal Article
Publication date: 1995-01-01
scimago Q3
wos Q2
SJR: 0.385
CiteScore: 4.1
Impact factor: 2.4
ISSN: 0022328X, 18728561
Materials Chemistry
Organic Chemistry
Biochemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Abstract Triphenylmethylcyclopentadiene Ph 3 CC 5 H 5 ( 1 ) and 2-[tris-(2′-methoxyphenyl)methyl]cyclopentadiene 2-((2′-CH 3 OC 6 H 4 ) 3 C) C 5 H 5 ( 2 ) have been prepared in high yields via reactions of the corresponding triarylmethyl-halogenides with Cp 2 Ni (and CpSn(CH 3 ) 3 in the case of 1 ). It is shown that 3-tritylsubstituted 6,6-dimethylfulvene formed exclusively in the reaction between the lithium salt of 1 and acetone. Cyclopentadiene 2 exists only as the 2-triarylmethylsubstituted isomer in a mixture of two enantiomeric forms caused by the C 3v -asymmetry type in the relative orientation of the aryl groups. Cyclopentadiene 1-Si(CH 3 ) 3 -(3-Ph 3 C)-C 5 H 4 was obtained by reaction of the sodium salt of 1 with (CH 3 ) 3 SiCl; it crystallizes from hexane in the monoclinic space group P2 1 /c with cell dimensions a = 11.635(5), b = 12.400(7), c = 15.531(7)A, V = 2240.09(9)A 3 and Z = 4; the Si atom is in the allylic position with d(C Cp Si) = 1.891(8)A,Si C(3) C(2) = 109.7(6)°,Si C(3) C(4) = 110.3(6)°,C(2) C(3) C(4) = 100.2(7)°.
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Rufanov K. A. et al. Synthesis of highly crowded cyclopentadienes via reactions of Cp2Ni and CpSn(CH3)3 with triarylmethylhalogenides. Molecular structure of 1-(CH3)3Si(3-Ph3C)C5H4 // Journal of Organometallic Chemistry. 1995. Vol. 485. No. 1-2. pp. 173-178.
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Rufanov K. A., Kazennova N. B., Churakov A. V., Lemenovskii D. A., Kuzmina L. G. Synthesis of highly crowded cyclopentadienes via reactions of Cp2Ni and CpSn(CH3)3 with triarylmethylhalogenides. Molecular structure of 1-(CH3)3Si(3-Ph3C)C5H4 // Journal of Organometallic Chemistry. 1995. Vol. 485. No. 1-2. pp. 173-178.
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TY - JOUR
DO - 10.1016/0022-328X(94)24746-6
UR - https://linkinghub.elsevier.com/retrieve/pii/0022328X94247466
TI - Synthesis of highly crowded cyclopentadienes via reactions of Cp2Ni and CpSn(CH3)3 with triarylmethylhalogenides. Molecular structure of 1-(CH3)3Si(3-Ph3C)C5H4
T2 - Journal of Organometallic Chemistry
AU - Rufanov, Konstantin A.
AU - Kazennova, Nadezhda B
AU - Churakov, Andrew V
AU - Lemenovskii, Dmitry A
AU - Kuzmina, Ludmila G
PY - 1995
DA - 1995/01/01
PB - Elsevier
SP - 173-178
IS - 1-2
VL - 485
SN - 0022-328X
SN - 1872-8561
ER -
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BibTex (up to 50 authors)
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@article{1995_Rufanov,
author = {Konstantin A. Rufanov and Nadezhda B Kazennova and Andrew V Churakov and Dmitry A Lemenovskii and Ludmila G Kuzmina},
title = {Synthesis of highly crowded cyclopentadienes via reactions of Cp2Ni and CpSn(CH3)3 with triarylmethylhalogenides. Molecular structure of 1-(CH3)3Si(3-Ph3C)C5H4},
journal = {Journal of Organometallic Chemistry},
year = {1995},
volume = {485},
publisher = {Elsevier},
month = {jan},
url = {https://linkinghub.elsevier.com/retrieve/pii/0022328X94247466},
number = {1-2},
pages = {173--178},
doi = {10.1016/0022-328X(94)24746-6}
}
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MLA
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Rufanov, Konstantin A., et al. “Synthesis of highly crowded cyclopentadienes via reactions of Cp2Ni and CpSn(CH3)3 with triarylmethylhalogenides. Molecular structure of 1-(CH3)3Si(3-Ph3C)C5H4.” Journal of Organometallic Chemistry, vol. 485, no. 1-2, Jan. 1995, pp. 173-178. https://linkinghub.elsevier.com/retrieve/pii/0022328X94247466.