Ebook Organic chemistry principles in context 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) DMS OH Na2Cr2O7 ... O LAH OH H2O This would mean that LAH and H2O are present at the same time, and that is not possible LAH would react violently with water to form H2 gas (because Hϩ and HϪ would react with each...

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... 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 ... carbocation (recall that tertiary carbocations are more stable than secondary carbocations) In the previous chapter, we saw that an OH group is a terrible leaving group, and that an SN1 reaction can...

... 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) Figure ... component of some LOVA (low vulnerability ammunition) propellants.56 NO2 NO2 F C CH2NH2 + HOCH2 C CH2OH NO2 134 F NO2 89 NO2 F NO2 NO2 NO2 NO2 NO2 C CH2NHCH2 C CH2NHCH2 C NO2 NO2 135 NO2 136 NO2 F NO2...