4. Draw the final major product(s) for each multistep synthesis reaction. H3O* OMe H3PO4 Jones Et,NH reagent H30* PBR3 KOC(CH3)3 1. O3 NABH3CN HO- 2. DMS NH3, H3O* Br KOC(CH3)3 1. ВНз PCC H3O* 2. H2О2, ОН CH2CI2

What is the major organic product formed in the following sequence of reactions? A, B, C, or D?

2. Identify (draw the structure) of the missing reactant or major product in the following transformations A. NH2 В. Br2 CH3COOH С. 1. 2. С. 1. PBr3/Br2 HO. 2. H20 D. NaOEt

H3C CH3 H CHI 'N H + Li*-O-H CH3 - Draw the product of reaction B. Rings Select → Draw More CH3 A H₂C CH3 H31 + Li H H -H Q2 Erase Q

9) What is the major organic product of the following reaction? COOH 2 I. II. HOOC HOOC III. IV. A) I V. +HOCH₂CH₂OH B) II CH₂CH₂ CH₂CH₂0- CCH₂CH₂C COCH₂CH₂OC O=O R=0 C) III H ? COOH -COOH -OCH₂CH₂OH D) IV

What is the missing reagent in the reaction below? of of. cr CI Multiple Choice O LIAIH4. [2] H2O (1] CH2=CHLI, [2] H2O (1]) (CH2=CH)2CULİ, (2) H20 (1] DIBAL-H, (2] H20

Q5. A. Complete the incomplete reactions. Also write stepwise mechanism for the given reactions. CH3 i. BH3, THE ii. H2O2, HO Br H20 ii. H3C OH H. H3C Br Br2, H20 CH3 Br OH organic solvent CH3 КОН CI V. + CHCI3 KCI CI

Please provide the major product of the reaction.

6). What is the major product of the following reactions? (A) -? coon 1). NaOH in ErOH, then H,O+ 2). 1 eqiv. NaOEt 3). 1 equiv. CH3Br 4). H₂O*, Heat COOB (Intramolecular Claison) COOE (B) CH₂ COOH (D) CH₂ (E) CH3 CH₂

9. Draw the product of the reaction mixture shown below. HN. OH + of مسمية سات N=C=N