I. M. HELPS

The effect of ultrasound and of phosphine and phosphine-oxides on the Khand reaction

David C. Billington, I. M. HELPS, Peter L. Pauson et al. · Journal of Organometallic Chemistry · 1988 · 116 citations

Sonoelectrochemistry, Khand Reaction, Power Ultrasound +3

General routes for the synthesis of mono, di and tri-N-substituted derivatives of cyclam

I. M. HELPS, David Parker, J. Richard Morphy et al. · Tetrahedron · 1989 · 78 citations

Combinatorial Chemistry, Heterocyclic, Natural Sciences +7

Synthesis of C- and N-functionalised derivatives of 1,4,7-triazacyclononane-1,4,7-triyltriacetic acid (NOTA), 1,4,7,10-tetra-azacyclododecane-1,4,7,10-tetrayltetra-acetic acid (DOTA), and diethylenenetriaminepenta-acetic acid (DTPA): bifunctional complexing agents for the derivatisation of antibodies

J. P. Cox, Andrew S. Craig, I. M. HELPS et al. · Journal of the Chemical Society Perkin Transactions 1 · 1990 · 78 citations

Bioorganic Chemistry, Immunology, 1,4,7-Triazacyclononane-1,4,7-triyltriacetic Acid +19

Towards tumour imaging with indium-111 labelled macrocycle–antibody conjugates

Andrew S. Craig, I. M. HELPS, Karl J. Jankowski et al. · Journal of the Chemical Society Chemical Communications · 1989 · 48 citations

Engineering, Oncologic Imaging, Heterocyclic +15

Selective N,N-functionalisation of cyclam: crystal structure of the Cu2+ complex of 1,4,8,11-tetra-azacyclotetradecane-1,8-diacetic acid and the tricyclic lactam 15,18-dioxo-1,5,8,12-tetra-azatricyclo[10.2.2.25.8]tetradecane

I. M. HELPS, David Parker, James Chapman et al. · Journal of the Chemical Society Chemical Communications · 1988 · 36 citations