4.2.3 SYNTHESIS 0.0 / 5 ? ChemistrySYNTHESISA2/A-levelOCR Created by: upsidedown1004Created on: 08-06-16 13:04 Why are chiral drugs used? minimise side effects/ economically reasons/ reduce risk to companies from litigation/ required production of single optical isomer 1 of 5 Outline the formation if chiral compounds naturally only one isomer made/ synthesised in lab 2 are made/ pharmaceuticals often require only one as one is active 2 of 5 What are the cons of reducing pharmaceuticals that contain a mix of isomers? unwanted side effects/ expensive to separate/reduces effectiveness as larger dose needed 3 of 5 explain the modern synthesis of single isomer pharmaceuticals using enzymes or bacteria (stereoselectivity)/ chemical chiral synthesis or chiral catalysts/ using natural chiral molecules 4 of 5 ... ... 5 of 5
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