Syntheses of the cryptands. A short reviewKRAKOWIAK, K. E; BRADSHAW, J. S.Israel journal of chemistry. 1992, Vol 32, Num 1, pp 3-13, issn 0021-2148Article

Novel one-step syntheses of cryptands and bis(aza-12-crown-4 ethers)KRAKOWIAK, K. E; BRADSHAW, J. S.Journal of organic chemistry. 1991, Vol 56, Num 11, pp 3723-3725, issn 0022-3263, 3 p.Article

Two new methods to form substituted oligoethylene glycolsKRAKOWIAK, K. E; BRADSHAW, J. S; HUSZTHY, P et al.Tetrahedron letters. 1994, Vol 35, Num 18, issn 0040-4039, 2809, 2853-2856 [5 p.]Article

The most convenient method for the preparation of aliphatic cryptandsKRAKOWIAK, K. E; KRAKOWIAK, P. A; BRADSHAW, J. S et al.Tetrahedron letters. 1993, Vol 34, Num 5, pp 777-778, issn 0040-4039Article

Convenient syntheses of N-[2-(2-hydroxyethoxy)ethyl]-substituted polyaza-crown ethers and cyclams without the need for a hydroxy blocking groupBRADSHAW, J. S; KRAKOWIAK, K. E; IZATT, R. M et al.Tetrahedron letters. 1989, Vol 30, Num 7, pp 803-806, issn 0040-4039, 4 p.Article

The synthesis of new diaza-N-pivot lariat 15-crown-5 and 18-crown-6 macrocyclesBRADSHAW, J. S; KRAKOWIAK, K. E; HAOYUN AN et al.Tetrahedron (Oxford. Print). 1990, Vol 46, Num 4, pp 1163-1170, issn 0040-4020Article

A new synthetic route to polyaza-crown macrocycles through the Per(N-formyl)polyaza-crownsBRADSHAW, J. S; KRAKOWIAK, K. E; AN, H et al.Journal of heterocyclic chemistry. 1992, Vol 29, Num 6, pp 1429-1432, issn 0022-152XArticle

Preparation of macrocyclic di- and tetraamides containing unsubstituted macroring nitrogen atoms, tertiary aine sidearms and/or piperazine subcyclic unitsBRADHAW, J. S; KRAKOWIAK, K. E; AN, H et al.Journal of heterocyclic chemistry. 1990, Vol 27, Num 7, pp 2113-2116, issn 0022-152XArticle

One-step methods to prepare cryptands and crowns containing reactive functional groupsKRAKOWIAK, K. E; BRADSHAW, J. S; IZATT, R. M et al.Journal of heterocyclic chemistry. 1990, Vol 27, Num 4, pp 1011-1014, issn 0022-152X, 4 p.Article

Preparation of triaza-, tetraaza- and pereza-crown compounds containing aminoalkyl side groups or unsubstituted ring nitrogen atomsKRAKOWIAK, K. E; BRADSHAW, J. S; IZATT, R. M et al.Journal of organic chemistry. 1990, Vol 55, Num 10, pp 3364-3368, issn 0022-3263, 5 p.Article

A simple crab-like cyclization procedure to prepare polyaza-crowns and cyclams with one or two unsubstituted macroring nitrogen atoms or with a hydroxy groupBRADSHAW, J. S; KRAKOWIAK, K. E; IZATT, R. M et al.Journal of heterocyclic chemistry. 1989, Vol 26, Num 5, pp 1431-1435, issn 0022-152XArticle

Novel syntheses of monofunctionalized triaza-crowns and cyclams with a secondary amine group on a side chainKRAKOWIAK, K. E; BRADSHAW, J. S; KENT DALLEY, N et al.Tetrahedron letters. 1989, Vol 30, Num 22, pp 2897-2900, issn 0040-4039Article

Silica gel-bound aza-crowns for the selective removal and concentration of metal ionsBRADHSAW, J. S; KRAKOWIAK, K. E; TARBET, B. J et al.Pure and applied chemistry. 1989, Vol 61, Num 9, pp 1619-1624, issn 0033-4545, 6 p.Conference Paper

Preparation of silica gel-bound macrocycles and their cation-binding propertiesBRADSHAW, J. S; BRUENING, R. L; KRAKOWIAK, K. E et al.Journal of the Chemical Society. Chemical communications. 1988, Num 12, pp 812-814, issn 0022-4936Article

Convenient synthesis of crown ethers containing a hydrazine moietyBRADSHAW, J. S; KRAKOWIAK, K. E; GENG WU et al.Tetrahedron letters. 1988, Vol 29, Num 44, pp 5589-5592, issn 0040-4039Article

A novel two-step method to prepare new unsymmetrical cryptandsBRADSHAW, J. S; KRAKOWIAK, K. E; AN, H et al.Tetrahedron letters. 1992, Vol 33, Num 34, pp 4871-4874, issn 0040-4039Article

NMR and potentiometric determination of the high pK values and protonation sequence of dipyridino-hexaaza-28-crown-8 and its interactions with selenate, sulfate and nitrate ions in aqueous solutionWU, G; IZATT, R. M; BRUENING, M. L et al.Journal of inclusion phenomena and molecular recognition in chemistry. 1992, Vol 13, Num 2, pp 121-127, issn 0923-0750Article

Preparation of crown compounds containing allyloxymethyl or butenyl groups for attachment to silica gel or containing long chain lipophilic groups for use in liquid membrane systemsMCDANIEL, C. W; BRADSHAW, J. S; KRAKOWIAK, K. E et al.Journal of heterocyclic chemistry. 1989, Vol 26, Num 2, pp 413-419, issn 0022-152X, 7 p.Article

Synthesis of macrocyclic acetals containing lipophilic substituentsBRADSHAW, J. S; KRAKOWIAK, K. E; LINDH, G. C et al.Tetrahedron (Oxford. Print). 1987, Vol 43, Num 19, pp 4271-4276, issn 0040-4020Article

Efficient synthesis of azetidine through N-trityl- or N-dimethoxytritylazetidines starting from 3-amino-1-propanol or 3-halopropylamine hydrohalidesHUSZTHY, P; BRADSHAW, J. S; KRAKOWIAK, K. E et al.Journal of heterocyclic chemistry. 1993, Vol 30, Num 5, pp 1197-1207, issn 0022-152XArticle

Simple methods for the preparation of cryptandsKRAKOWIAK, K. E; BRADSHAW, J. S; HAOYUN AN et al.Pure and applied chemistry. 1993, Vol 65, Num 3, pp 511-514, issn 0033-4545Conference Paper

Synthesis and complexation properties of suitcase-shaped macrotricyclic and butterfly-shaped macrobicyclic polyether ligandsHAOYUN; BRADSHAW, J. S; KRAKOWIAK, K. E et al.Journal of organic chemistry. 1992, Vol 57, Num 18, pp 4998-5005, issn 0022-3263Article

Functionalized di- and tetrathia-crowns and their use to quantitatively separate and recover gold(III), palladium(II), silver(I) and mercury(II) ionsBRADSHAW, J. S; KRAKOWIAK, K. E; IZATT, R. M et al.Journal of heterocyclic chemistry. 1990, Vol 27, Num 2, pp 347-349, issn 0022-152XArticle

Synthesis of (allyloxy)methyl-substituted diaza-18-crown-6 compounds for attachment to silica gelBRADSHAW, J. S; KRAKOWIAK, K. E; BRUENING, R. L et al.Journal of organic chemistry. 1988, Vol 53, Num 14, pp 3190-3195, issn 0022-3263Article

New cryptaspherands and their complexation properties with the alkali metal ionsKRAKOWIAK, K. E; BRADSHAW, J. S; CHENGYUE ZHU et al.Journal of organic chemistry. 1994, Vol 59, Num 15, pp 4082-4086, issn 0022-3263Article