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- Melamine, used as a fire retardant and a component of the writing surface of white boards, can be prepared from s-trichlorotriazine through a series of SNAr reactions with ammonia. The first substitution takes place rapidly at room temperature. The second substitution takes place near 100 °C, and the third substitution requires even higher temperature and pressure. Provide an explanation fatr this reactivity.Fill in the missing reagents a-h in the following scheme:What or what are the nitration products of substances a, b and c below? CH3 CN OMe a) b) c) CF3
- What product will be formed? Hg(OAc), NaBH4, HO- -? TsCl, pyridine KCN IH ICN (a) (b) CN IOTS (a) (b)An allylic alcohol contains an OH group on a carbon atom adjacent to aC—C double bond. Treatment of allylic alcohol A with HCl forms amixture of two allylic chlorides, B and C. Draw a stepwise mechanismthat illustrates how both products are formed.Google hil Identify the reagents X in the following scheme OH NABH4 with H30+ KMN04 with H30+ All are correct O Na2Cr207 with H30+ O all are incorrect
- (13) ;) Predict the major product for the following reaction. KCN (cat.) `H HCN OH он CN CN CN A) B) C) OH D) CN E) CNRank the following alkyl halides in order of increasing Syl reactivity. Br Br B: Br C: A: Most Reactive Least Reactive A,Identify the suitable reagents for the given reaction and arrange them accordingly. 1 OH OEt 2 OEt OEt O 1) EtOH, H₂SO4; 2) EtOH, H₂SO4 O 1) EtONa followed by H₂O; 2) TsCl/py followed by EtONa O 1) EtONa followed by H₂O; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) TsCy followed by EtONa
- 2. Predict the products. (Hint: for the 2rd one, remember the driving force for a Claisen reaction, and that all the steps are reversible.) a) 1 equiv LDA in H b) O c) Mel a) NaOEt i b) H3O+ EtWhat is the major organic product obtained from the following reaction? 1. ВНз CH;CH,CH;CH,-cEC-H 2. H,O, NaOH O hexanone O hexanal O 2-hexanol O cis-2-hexeneWhich is a major product of this reaction? AICIs CI b) c) .CI d) e)