Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
This paper discusses the structure,functions,characteristics and the convenience of individual drugs parcel for seawise soldier.The parcel can be used for peacetime training and wartime service.
This paper discusses the structure, functions, characteristics and the convenience of individual drugs parcel for seawise soldier. The parcel can he used for peacetime training and wartime service.
The result shows that as long as the easing is determined, the armhole hypothenuse increment may be obtained and the twopiece sleeve drafting completed compatibly with the fabric and moulding.