1.
2. www.acs.org/content/acs/en/greenchemistry/principles/12-principles-of-green-chemistry.html (accessed 14.07.2020);
3. The principles for an economic production given in Scheme 1 are simplified. For sure it's the same as with the principles for green chemistry (see “Room for improvement”) these principles are not independent from each other. Just addressing one of the principles in improving a synthesize but making it worse on others requires a careful evaluation if the overall new process is more economic or not.
4. Oxidation