An efficient KHSO4 catalyzed synthesis of xanthenes

Heterocyclic communications

article

Nemallapudi Bakthavatchala Reddy¹  Kunda Uma Maheswara Rao¹  Chereddy Syama Sundar¹  Sandip Kumar Nayak²  Cirandur Suresh Reddy¹ 

[1] Department of Chemistry, Sri Venkateswara University;Bio-Organic Division, Bhabha Atomic Research Center

关键词: aromatic aldehydes;    5;    5-dimethyl-1;    3-cyclohexanedione;    KHSO4;    β-naphthol;    xanthenes;   

DOI  :  10.1515/hc-2011-0057

学科分类：内科医学

来源: De Gruyter

【 摘 要 】

KHSO 4 is an efficient catalyst for the condensation of β-naphthol, aromatic aldehydes, and 5,5-dimethyl-1,3-cyclohexanedione at 100°C to afford 9,9-dimethyl-12-phenyl-8,10,11,12-tetrahydro-9 H -benzo[ a ]xanthen-11-one derivatives in 80–95% yields.

【 授权许可】

CC BY|CC BY-NC-ND