Zobrazeno 1 - 10 of 59 pro vyhledávání: '"D. Muriel Hall"'
1
Some aspects of the solvolysis of 1-phenylethyl chloride
Autor: Elizabeth Mauger, D. Muriel Hall, P. B. D. de la Mare
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 87:1394-1414
The rate of solvolysis of 1-phenylethyl chloride has been followed both polarimetrically and titrimetrically in 60% and in 70% dioxan. The polarimetric rate exceeds the titrimetric rate, and the extent of racemisation decreases slightly with increasi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff0b657dc4a1cfc3320ef4a228d28331
https://doi.org/10.1002/recl.19680871209
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2
X-Ray structural studies of stereoisomeric bi(14H-dibenzo[4,5:6,7][1,3]diazepino[2,1-a]isoindol-14-ylidene)s obtained from the reaction of 2,2′-diaminobiphenyl with o-phthalaldehyde
Autor: Joan M. Insole, Hwang Huaun-Yong, Nigel P. C. Walker, D. Muriel Hall
Publikováno v: J. Chem. Soc., Perkin Trans. 1. :1763-1769
Reaction of 2,2′-diaminobiphenyl with o-phthalaldehyde yielded a number of products including two bi-(14H-dibenzo[4,5:6,7][1,3]diazepino[2,1-a]isoindol-14-ylidene)s, (A) and (B); each was converted on heating into a third isomer (D). The crystal st
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9fc685461d1a4fed53f1d85d6bdf2b2b
https://doi.org/10.1039/p19870001763
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3
2,2′-Bridged biphenyls with 12-membered heterocyclic bridging rings. Part 1. Tetrabenzo[b,d,h,j][1,6]diazacyclododecines
Autor: Basil A. Behnam, D. Muriel Hall
Publikováno v: J. Chem. Soc., Perkin Trans. 1. :107-112
Four tetrabenzo[b,d,h,j][1,6]diazacyclododecines and their tetrahydro-derivatives have been prepared. 1H N.m.r. and u.v. spectroscopy are used to determine the geometry of the tetrabenzodiazadodecines. It is concluded that they have the EE configurat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::752fe1761670b45edb0dd8ca6f238bd7
https://doi.org/10.1039/p19800000107
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4
Mass spectra of 2,2′-bridged biphenyls with 12-membered heterocyclic bridging rings: 1—Some tetrahydrotetrabenzo[b,d,h,j] [1,6]diazacyclododecines and their precursors, 2,2′-diaminobiphenyls
Autor: Basil A. Behnam, D. Muriel Hall
Publikováno v: Organic Mass Spectrometry. 15:526-532
Mass spectra of four tetrahydrotetrabenzo[b,d,h,j] [1,6]diazacyclododecines are reported. Loss of phenan-threne gives 2,2′-diaminobiphenyl or the appropriate substituted diamine as the base peak in three cases. Substituents ortho to the biphenyl li
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::572b5cdfba1d4077e3bcfbdf3af03a49
https://doi.org/10.1002/oms.1210151008
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5
X-Ray crystal structures of 2,2′-bridged biphenyls with heterocyclic bridging rings: contraction in ring size on reduction
Autor: Stanley C. Nyburg, Lata Prasad, D. Muriel Hall, Basil A. Behnam
Publikováno v: J. Chem. Soc., Perkin Trans. 2. :617-623
X-Ray crystal structure analysis confirms that two of the four tetrabenzo [b,d,h,j][1,6]diazacyclododecines previously investigated have 12-membered rings; there is a strong presumption that the other two have a similar structure. Three of the four c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a265c0d9bcf2edda74de0bb7f96fee47
https://doi.org/10.1039/p29880000617
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10
Optical stabilities of some oo′-bridged oo′-dichlorobiphenyls
Autor: P. A. Browne, D. Muriel Hall
Publikováno v: J. Chem. Soc., Perkin Trans. 1. :2717-2721
Racemisation parameters have been determined for 1,11-dichloro-5,7-dihydrodibenz[c,e]oxepin (1) and 1,11-di-chloro-6,7-dihydro-6,6-dimethyl-5H-dibenz[c,e]azepinium bromide (2). Their u.v. and c.d. spectra are discussed. Rotations of sodium 6,6′-dic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8be3fb2a4d9b6417391fe059a78337a
https://doi.org/10.1039/p19720002717
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