## Abstract The design and synthesis of novel polypyrazolyl aromatic bridging ligands 1,3,5‐tris(3,5‐dimethyl‐1__H__‐pyra‐ zol‐4‐yl)benzene and 2,4,6‐tris(4‐(3,5‐dimethyl‐1__H__‐pyrazol‐4‐yl)phenyl)‐1,3,5‐triazine from simple starting materials mesitylene and p‐tolunitrile were reported.
New type of block design
✍ Scribed by N. S. Mendelsohn; M. Liang
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 186 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1063-8539
No coin nor oath required. For personal study only.
✦ Synopsis
We are already familiar with ðv v; k; Þ-difference sets and ðv v; k; Þ-designs. In this paper, we will introduce a new class of difference sets and designs: ðv v; k; ½ 1 ; 2 ; . . . ; m Þdifference sets and ðv v; k; ½ 1 ; 2 ; . . . ; m Þ-designs. We will mainly study designs with a relationship we call -equivalence and use them to produce other designs. Some existence or nonexistence theorems will be given.
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