Simultaneous multistep synthesis using several polymer-supported reagents

Simultaneous multistep synthesis using several polymer-supported reagents 

Reagents and conditions i) polymer-bound 4-vinylpyridinium dichromate, cyclohexane, reflux, 12h ii) perbromide on Amberlyst A-26, cyclohexane, reflux, 12h ill) Amberlite IRA-900 (4-chloro-1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-ol), cyclohexane, reflux, 12h iv) i) to iii) simuKaneousiy. 

---