- An alternative approach: A highly selective dual responding fluoride sensor having active methylene group as binding site
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A newly designed phosphonium derivative (L) having active methylene functionality, shows unusual preference towards F- over all other anions. The binding process through C-H...F- hydrogen bond formation was probed by monitoring the c
- Das, Priyadip,Kesharwani, Manoj K.,Mandal, Amal K.,Suresh, Eringathodi,Ganguly, Bishwajit,Das, Amitava
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experimental part
p. 2263 - 2271
(2012/04/10)
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- Synthesis of Benzo-Fused Tetraphenylenes and Crystal Structure of a 4:1 Clathrate Inclusion Compound of Dibenzotetraphenylene with p-Xylene
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Benzo-fused tetraphenylenes 2-6 were successfully prepared by the combined deployment of the Diels-Alder cycloaddition between some strained cyclooctynes and furans and subsequent low-valent-titanium deoxygenation of the resulting 1,4-endoxides.As expecte
- Man, Yuet-Ming,Mak, Thomas C. W.,Wong, Henry N. C.
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p. 3214 - 3221
(2007/10/02)
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- Conjugation in Macrocyclic Systems, XXXI. - Isomeric Naphthoannulenes with 1,2- and 2,3-Annellation
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For the syntheses of naphthoannulene (1) and naphtho annulene (2) the 1,2- and 2,3-di(1-hexen-5-ynyl)naphthalenes 4 and 8, respectively, were prepared.Cyclisation of 4 and 8 by oxidative coupling yielded 5 and 9, respectively, the pr
- Meissner, Ute E.,Bravo, Rodolfo,Staab, Heinz A.
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p. 687 - 694
(2007/10/02)
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- Synthesis of a New Annulene Derivative by a Regioselective Tetrakis-Wittig Reaction, and the Synthesis of Related Acyclic Products.
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The macrocyclic 11,14:31,34-diethenotetrabenzoannulene (11) has been synthesised in a one-stage Wittig reaction from 2,2'-bis(triphenylphosphoniomethyl)biphenyl dibromide (1) and 4-formylcinnamaldehyde using sodium ethoxide as base.Other atte
- Kemp, William,Tulloch, Charles D.
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p. 374 - 384
(2007/10/02)
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