Thioketene
Thioketene
Organic compounds with the structure >C=C=S
In organic chemistry, thioketenes are organosulfur compounds analogous to ketenes with the general formula R2C=C=S, where R is alkyl or aryl. The parent thioketene (ethenthione) has the formula CH2=C=S. It is the simplest thioketene.[1] Thioketene is stable as a gas, but like most thioketenes, it polymerizes upon condensation.
Some thioketenes are produced as transient species upon pyrolysis of 1,2,3-thiadiazoles.[2] It has been suggested that thioketene could be involved in cell damage processes.[3]