Thiazines are a group of heterocyclic organic compounds that are still largely unexplored for
their pharmacological activities. There are different available methods for the synthesis of …

Ultrasound synthesis is a powerful technique that is being used increasingly to accelerate
organic reactions as a green synthetic approach. Ultrasonication has offered advantages …

A new series of 4‐alkyl/aryl‐2‐oxo‐1‐pyrazolyl‐1, 2‐dihydropyridine‐3‐carbonitriles,
pyrazolo [3, 4‐b] pyridine‐5‐carbonitriles and pyrido [2, 3‐d] pyrimidine‐6‐carbonitriles …

Brønsted acidic ionic liquid containing nitrogen-based organic cations 1-methylimidazolium
and 1-butyl-3-methylimidazolium and inorganic anions such as BF4−, PF6− and PTSA …

Spiro [3H-indole-3, 2′-[4H] pyrido [3, 2-e]-1, 3-thiazine]-2, 4′(1H) diones, a class of
previously unknown compound which does not form under conventional conditions, can be …

Fused pyrimidines scaffolds such as pyrimidopyrimidines, purines and xanthines are
important structural motifs found in various natural products and drug molecules. They are …

Organosulfur compounds have a pivotal role in the functionalities of many natural products,
pharmaceuticals and organic materials. For these reasons, the search for new …

A series of new spiro [3H-indole-3, 2′-thiazolidine]-2, 4′(1H)-diones (IV) and spiro [3H-
indole-3, 2′-tetrahydro-1, 3-thiazine]-2, 4′(1H)-diones (V) have been synthesized in 85 …

This work represents the first example of a gold-catalyzed formation of 1, 3-thiazine/1, 3-
thiazinane by means of a catalytic approach and further uncommon isolation of the two …

Efficient protocols have been described for the synthesis of 1, 3-benzoselenazines, 1, 3-
benzothiazines, 2-aryl thiazin-4-ones and diaryl [b, f][1, 5] diazocine-6, 12 (5H, 11H)-diones …