Results 141 to 150 of about 1,143 (191)

Azole derivatives of 1,4-benzothiazine as antifungal agents

Bioorganic & Medicinal Chemistry, 1998
A series of azole derivatives of 1,4-benzothiazine 7-14 was synthesized and evaluated for the in vitro and in vivo activity against Candida albicans. Secondary alcohol 10 and its ether derivative 13 showed very good efficacy against systemic candidiasis in a murine experimental model.
FRINGUELLI, Renata, SCHIAFFELLA, Fausto, BISTONI, Francesco, PITZURRA, Lucia, VECCHIARELLI, Anna   +4 more
openaire   +4 more sources

New benzoxazine and benzothiazine dyes

Tetrahedron, 1976
Abstract 2H-1,4-benzoxazine can be generated in situ from 1-(o-aminophenoxy)-2,2′-dimethoxyethane in trifluoroacetic acid whence further reaction leads to the benzoxazine bye 7. The benzothiazine dye 9 can be derived in similar fashion from 1-(o-aminophenylthio)-2,2-diethoxyethane.
F. Chioccara, G. Prota, R.H. Thomson
openaire   +1 more source

Further Studies of Benzothiazine Metalation

Synthesis, 2013
Treatment of benzothiazines 3 and 8 with butyllithium resulted in deprotonation at C3 to afford the corresponding organolithium species. These compounds could be trapped with a variety of electrophiles to give products in high yield. Some limitations to the processes chiefly based on steric effects were uncovered.
Michael Harmata, Nathan Calkins
openaire   +1 more source

A review on synthesis of benzothiazine analogues

Research Journal of Pharmacy and Technology, 2017
Scientific advances mainly involves the development of new and highly reactive compounds. Nitrogen and sulphur containing benzothiazines forms highly active heterocyclic agents. Benzothiazines are prominent class of heterocyclic compound. Many studies have been done in the development of benzothiazine analogues.
Neethu Rajiv, N. Sreelakshmi, Jisni Rajan, K. Leena Pappachen   +3 more
openaire   +1 more source

ChemInform Abstract: 1,4‐Benzothiazines, Dihydro‐1,4‐benzothiazines and Related Compounds

Chemischer Informationsdienst, 1985
C. BROWN, R. M. DAVIDSON
openaire   +1 more source

Dilithiation of a 2,1-Benzothiazine

HETEROCYCLES, 2016
Michael Harmata, Nathan L. Calkins
openaire   +1 more source

Recent Trends Toward the Synthesis of Fused-Benzothiazines and Their Derivatives

Synthetic Communications, 2021
Sana Aslam, Furqan Ahmad Saddique, Matloob Ahmad   +2 more
exaly  

A One-Pot, One-Operation [3+3] Annulation Approach to Benzothiazines

Angewandte Chemie - International Edition, 1999
Michael Harmata, Neville Pavri
exaly  

Ru (II)-Catalyzed Coupling-Cyclization of Sulfoximines With Alpha-Carbonyl Sulfoxonium Ylides as an Approach to 1,2-Benzothiazines

Advanced Synthesis and Catalysis, 2018
Haisheng Xie, Wei Zeng, Fengjuan Chen
exaly  

Synthesis of 3,1-Benzoxazines, 3,1-Benzothiazines and 3,1-Benzoxazepines via N-Arylimino-1,2,3-Dithiazoles

Synlett, 1997
Gérald Guillaumet, Thierry Besson, Christelle Lamazzi   +2 more
exaly