4-Hydroxypyridinium Antimony Tetrachloride-Functionalized Silica Gel Nanoparticles-Catalyzed One-Pot Synthesis of Naphtho-Bis-[1,3]-Oxazin-3-One/Thione

A novel method for the synthesis of diarylylnaphtho bis([1,3]oxazine) dione/thione derivatives is established by employing one-pot three-component reaction of naphthalene-1,8-diol/naphthalene-1,5-d...