Ebook Organic chemistry (8e) Part 2

... called a hemiacetal, and you can think of it as “half-way” toward making an acetal: O RO RO OH hemiacetal OR acetal We give it a special name because it is theoretically possible to isolate it and ... case is PCC, and we have seen that PCC will convert a primary alcohol into an aldehyde: O OH PROBLEMS 2) DMS OH CrO3 5.3 Aqueous acetone heat Na2Cr2O7 5.4 H2SO4, H2O OH 1) O3 5.5 2) DM...

... base, bimolecular reactions (SN2 and E2) are favored E2 + MAJOR MINOR STRONG NUC STRONG BASE EXAMPLES: RO WEAK NUC E2 WEAK BASE + MAJOR , HO E2 SN2 SN2 SN2 MINOR For pr imary substrates, SN2 ... processes (SN2 and E2) 23 8 CHAPTER 10 ELIMINATION REACTIONS The fourth and final category contains reagents that are weak nucleophiles and weak bases These reagents include water (H2O) and alcohols ....

... Derivatives O2N O2N N NH O2N O2N NO2 47 HNO3, H2SO4 99 % NO2 O2N N O2N NO2 N NO2 52 NO2 HNO3, H2SO4 90 % O2N NO2 O2N N HNO3, Ac2O 0–5 °C N NO O2N 53 96 % O2N ON N O2N NO2 NO2 NH 50 O2N HNO3, H2O 40–45 ... H2C N N NO2 O2 N N H2C CH2 N CH2 NO2 CH3COBr - 10 °C, 97 % H2C N N NO2 O2 N N H2C CH2OAc 128 NO2 CH2 N CH3CON3, CH2Cl2 CH2 79 % H2C CH2 N NO2 O2N N H2C CH2Br 129 N N CH2 CH2N3 130 (AZTC) Fi...