How is (9Z)-9-Hexadecenal (CAS: 56219-04-6) typically synthesized?

(9Z)-9-Hexadecenal is synthesized by the reduction of 9-hexadecenaldehyde with hydrogen in the presence of a catalyst, such as palladium on carbon. The reaction conditions include a pressure of 10-20 atmospheres of hydrogen and a temperature range of 30-50°C. The yield is generally high, around 90%, and the process is selective, producing the desired cis-isomer with high purity.