@article{kumar_thomas_tray_2001,  title={1,5-Induction in reactions between 2-alkoxy-(2-tributylstannylethylidene)cyclohexanes and aldehydes},  volume={12},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532001000500005},  DOI={10.1590/S0103-50532001000500005},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Kumar, Poonam and Thomas, Eric J. and Tray, Daniel R.},  year={2001},  month={Sep},  pages={623–626} }