@article{castro_kover_kover_jones jr_1999,  title={A Novel Synthesis of 1-Acetyl-4-Isopropenyl-1-Cyclopentene by Chemoselective Cyclization of 4-Methyl-3-(Oxobutyl)-4-Pentenal: An Important Intermediate for Natural Product Synthesis},  volume={10},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531999000200007},  DOI={10.1590/S0103-50531999000200007},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Castro, Fernando de Lima and Kover, Renata Xavier and Kover, Warner Bruce and Jones Jr, Joel},  year={1999},  month={Mar},  pages={112–116} }