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標(biāo)題: Titlebook: Calixarenes: A Versatile Class of Macrocyclic Compounds; J. Vicens,V. B?hmer Book 1991 Kluwer Academic Publishers 1991 Claisen rearrangeme [打印本頁(yè)]

作者: 毛發(fā)    時(shí)間: 2025-3-21 17:43
書(shū)目名稱(chēng)Calixarenes: A Versatile Class of Macrocyclic Compounds影響因子(影響力)




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作者: Texture    時(shí)間: 2025-3-21 23:56

作者: kindred    時(shí)間: 2025-3-22 04:25
Neuro-Psychopharmaka - Ein Therapie-HandbuchCalixarene derivatives have, for some years, provided the only examples of intramolecular cavity complexes formed by neutral molecules.
作者: Culmination    時(shí)間: 2025-3-22 05:16

作者: Innovative    時(shí)間: 2025-3-22 11:58

作者: Noctambulant    時(shí)間: 2025-3-22 14:21
Industrial Applications of CalixarenesCalixarenes are comparatively new cyclic condensation products of .-substituted phenols and formaldehyde. They represent receptor molecules of widely varying size for metal cations and organic molecules.
作者: Noctambulant    時(shí)間: 2025-3-22 20:37

作者: helper-T-cells    時(shí)間: 2025-3-22 23:31

作者: commensurate    時(shí)間: 2025-3-23 05:11
https://doi.org/10.1007/978-3-7091-6400-6o form a . cyclic oligomer, a calixarene in high yield, is most remarkable. Although the mechanism of the formation of calixarenes is far from being well understood it seems clear that it involves the production of hydroxymethylated phenols during the first steps which then, by condensation, lead to
作者: anus928    時(shí)間: 2025-3-23 07:45
K.-U. Oehler,A. Warnke,Ch. Wewetzerown ethers [1], there is a continuous need for new building blocks, shaping units or substructures to be used in the construction of new cation receptors and carriers showing improved efficiency and selectivity. For the complexation of spherical alkali and alkaline earth cations [2–4] the most effec
作者: DENT    時(shí)間: 2025-3-23 10:35
S. Walitza,J. Seifert,A. Warnke,M. Gerlachetic acid, these small spherical cations were thought to be incapable of complex formation with any known ligand. Consequently, they were frequently used in large excess as the supporting electrolyte in studies of cation complexation in solution. The coordination chemistry of the alkali cations blos
作者: embolus    時(shí)間: 2025-3-23 14:23
J. Seifert,Ch. Schubert,M. Gerlachst—guest chemistry related to calixarenes have been very limited [1–3]. In fact, Gutsche stated in his 1985 review article that there are no published data in support of solution complexes of calixarenes [2]. This is in sharp contrast to cyclodextrins which can form a variety of host—guest-type solu
作者: 憤世嫉俗者    時(shí)間: 2025-3-23 19:38
https://doi.org/10.1007/978-3-7091-3791-8 the ‘lower rim’, Y, of the calixarene, ., can lead to water-soluble species. These substances are of particular importance with regard to cation complexation [2]. The focus of this chapter is on ‘upper rim’-substituted derivatives of calix[4]arenes.
作者: Reservation    時(shí)間: 2025-3-24 00:00
R. Taurines,C. Wewetzer,A. Warnke,M. Gerlachs ranging from simple qualitative testing for cations [4] to major aspects of biological [5] and industrial [6] chemistry. While most early studies concerned the chemistry of aryloxide ligands and this continues to be a focus [7–10], the prominence of aryl ether units in macrocyclic systems such as
作者: endoscopy    時(shí)間: 2025-3-24 06:15
Water Soluble Calixarene Salts. A Class of Compounds with Solid-State Structures Resembling Those of the ‘lower rim’, Y, of the calixarene, ., can lead to water-soluble species. These substances are of particular importance with regard to cation complexation [2]. The focus of this chapter is on ‘upper rim’-substituted derivatives of calix[4]arenes.
作者: 同位素    時(shí)間: 2025-3-24 07:13
Topics in Inclusion Sciencehttp://image.papertrans.cn/c/image/220912.jpg
作者: Lineage    時(shí)間: 2025-3-24 10:49
Calixarenes: A Versatile Class of Macrocyclic Compounds978-94-009-2013-2Series ISSN 0923-6732
作者: 令人心醉    時(shí)間: 2025-3-24 16:01
0923-6732 Overview: 978-94-010-7402-5978-94-009-2013-2Series ISSN 0923-6732
作者: mastoid-bone    時(shí)間: 2025-3-24 22:45

作者: 典型    時(shí)間: 2025-3-25 02:32

作者: APO    時(shí)間: 2025-3-25 05:27

作者: 瑪瑙    時(shí)間: 2025-3-25 07:43
Special Calixarenes, Synthesis and Propertiesmpounds in which all the .-butyl groups are removed and replaced by other functional groups. The construction of more sophisticated, special calixarenes which could serve for instance as enzyme models, requires new synthetic approaches capable of producing molecules with .
作者: 拒絕    時(shí)間: 2025-3-25 14:39
Calixarene-Based Cation Receptors and Carriersors and carriers showing improved efficiency and selectivity. For the complexation of spherical alkali and alkaline earth cations [2–4] the most effective way to arrange the ligating sites is in the form of a macrocyclic structure, as in Pedersen’s .. [1] Lehn’s .. [5, 6] and Cram’s .. [7].
作者: 規(guī)章    時(shí)間: 2025-3-25 19:36
Peter Riederer,Gerd Laux,Walter P?ldinger discussion of methods for introducing functional groups onto the ‘upper’ and ‘lower’ rims of the calix, and the chapter concludes with a brief commentary on the physical properties of the calixarenes.
作者: Lineage    時(shí)間: 2025-3-25 23:31
S. Walitza,J. Seifert,A. Warnke,M. Gerlachhe late sixties in close parallel with developments in biochemistry and the problems posed to chemists by the mechanism of transmission of the nerve impulse which was shown to be related to the rapid diffusion of sodium and potassium ion across cell membranes.
作者: analogous    時(shí)間: 2025-3-26 02:00
Single Step Synthesis and Properties of Calixarenes discussion of methods for introducing functional groups onto the ‘upper’ and ‘lower’ rims of the calix, and the chapter concludes with a brief commentary on the physical properties of the calixarenes.
作者: faultfinder    時(shí)間: 2025-3-26 06:21
Chemically Modified Calixarenes as New Selective Receptors for Monovalent Cationshe late sixties in close parallel with developments in biochemistry and the problems posed to chemists by the mechanism of transmission of the nerve impulse which was shown to be related to the rapid diffusion of sodium and potassium ion across cell membranes.
作者: Condescending    時(shí)間: 2025-3-26 09:20
Conformations of Calixarenes in the Crystalline State higher linear oligomers and finally by cyclisation, to the calixarenes. During these processes it has been suggested that intra- and intermolecular hydrogen bonds maintain the reacting intermediates in conformations and relative mutual arrangements favorable to the formation of the calixarenes (see Gutsche’s chapter, .).
作者: V切開(kāi)    時(shí)間: 2025-3-26 13:23
Lanthanide Ions and Calixarenesthe crown ethers [11], cryptands [12] and spherands [13] perhaps signifies the most important recent development of the field. Certainly it is now possible to exert numerous subtle forms of control over the coordination of phenolic oxygen and consequently over the properties of the metal ion to which it is bound.
作者: Customary    時(shí)間: 2025-3-26 18:02

作者: euphoria    時(shí)間: 2025-3-26 21:09
R. Taurines,C. Wewetzer,A. Warnke,M. Gerlachthe crown ethers [11], cryptands [12] and spherands [13] perhaps signifies the most important recent development of the field. Certainly it is now possible to exert numerous subtle forms of control over the coordination of phenolic oxygen and consequently over the properties of the metal ion to which it is bound.
作者: 不透氣    時(shí)間: 2025-3-27 03:54

作者: forestry    時(shí)間: 2025-3-27 08:33

作者: anchor    時(shí)間: 2025-3-27 10:37

作者: 使虛弱    時(shí)間: 2025-3-27 14:46

作者: 沉默    時(shí)間: 2025-3-27 18:21
Special Calixarenes, Synthesis and Propertiesscribed. However, these procedures necessarily lead to calixarenes consisting of one single type of phenolic unit. This remains true even for those compounds in which all the .-butyl groups are removed and replaced by other functional groups. The construction of more sophisticated, special calixaren
作者: 合同    時(shí)間: 2025-3-28 01:08
Conformations of Calixarenes in the Crystalline Stateo form a . cyclic oligomer, a calixarene in high yield, is most remarkable. Although the mechanism of the formation of calixarenes is far from being well understood it seems clear that it involves the production of hydroxymethylated phenols during the first steps which then, by condensation, lead to
作者: 松馳    時(shí)間: 2025-3-28 03:22
Calixarene-Based Cation Receptors and Carriersown ethers [1], there is a continuous need for new building blocks, shaping units or substructures to be used in the construction of new cation receptors and carriers showing improved efficiency and selectivity. For the complexation of spherical alkali and alkaline earth cations [2–4] the most effec
作者: BLA    時(shí)間: 2025-3-28 09:46
Chemically Modified Calixarenes as New Selective Receptors for Monovalent Cationsetic acid, these small spherical cations were thought to be incapable of complex formation with any known ligand. Consequently, they were frequently used in large excess as the supporting electrolyte in studies of cation complexation in solution. The coordination chemistry of the alkali cations blos
作者: 粗魯性質(zhì)    時(shí)間: 2025-3-28 10:38
Functionalized Calixarenes: New Applications as Catalysts, Ligands, and Host Moleculesst—guest chemistry related to calixarenes have been very limited [1–3]. In fact, Gutsche stated in his 1985 review article that there are no published data in support of solution complexes of calixarenes [2]. This is in sharp contrast to cyclodextrins which can form a variety of host—guest-type solu
作者: 聯(lián)想    時(shí)間: 2025-3-28 16:12
Water Soluble Calixarene Salts. A Class of Compounds with Solid-State Structures Resembling Those of the ‘lower rim’, Y, of the calixarene, ., can lead to water-soluble species. These substances are of particular importance with regard to cation complexation [2]. The focus of this chapter is on ‘upper rim’-substituted derivatives of calix[4]arenes.
作者: 聾子    時(shí)間: 2025-3-28 20:02





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