Results 151 to 160 of about 30,682 (325)

Microwave Irradiation Promoted Reactions of Orthoesters with Carboxylic Acid Hydrazides. Preparation of 1,3,4-Oxadiazoles [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 1997
Rapid and highly efficient synthesis of 2- or 2,5-substituted 1,3,4-oxadiazoles by the condensation of aryl carboxylic acid hydrazides and orthoesters can be achieved under microwave irradiation using an unmodified commercial over in unsealed vessels.
Mohammad Sadegh Khajavi   +2 more
doaj  

Synthesis and Antimicrobial Activity of some Bis-1,3,4-oxadiazoles [PDF]

open access: green, 1990
M. K. JANI   +3 more
openalex   +1 more source

Advanced supersonic technology fuel tank sealants [PDF]

open access: yes
Status of the fuel tank simulation and YF-12A flight tests utilizing a fluorosilicone sealant is described. New elastomer sealant development is detailed, and comparisons of high and low temperature characteristics are made to baseline fluorosilicone ...
Parker, J. A., Rosser, R. W.
core   +1 more source

Copper-catalyzed intermolecular formal (5 + 1) annulation of 1,5-diynes with 1,2,5-oxadiazoles. [PDF]

open access: yesCommun Chem, 2023
Chen CM   +6 more
europepmc   +1 more source

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