SDS of cas: 1260795-42-3. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Methyl 4-bromo-2-formylbenzoate, is researched, Molecular C9H7BrO3, CAS is 1260795-42-3, about Unified Approach to Isoindolinones and THIQs via Lewis Acid Catalyzed Domino Mukaiyama-Mannich Lactamization/Alkylations: Application in the Synthesis of (±)-Homolaudanosine. Author is Dhanasekaran, Sivasankaran; Kayet, Anirban; Suneja, Arun; Bisai, Vishnumaya; Singh, Vinod K..
Isoindolinones such as I (R = H, O2N, NC, Cl, Br, Ph; R1 = Ph, 4-FC6H4, 4-BrC6H4, 4-MeSC6H4, 3,4-Me2C6H3, 3,5-Me2C6H3, PhCH2, H2C:CHCH2) and tetrahydroisoquinolines such as II [R2 = Ph, 3,4-(MeO)2C6H3, 3,4,5-(MeO)3C6H2] were prepared using tandem Mukaiyama-Mannich and lactamization or alkylation reactions from either substituted Me 2-formylbenzoates 5-R-2-OCHC6H3CO2Me (R = H, O2N, NC, Cl, Br, Ph) or 2-(2-bromoethyl)benzaldehydes such as 2-(BrCH2CH2)C6H4CHO, amines such as R1NH2 (R1 = Ph, 4-FC6H4, 4-BrC6H4, 4-MeSC6H4, 3,4-Me2C6H3, 3,5-Me2C6H3, PhCH2, H2C:CHCH2), and silyl enol ethers such as R2C(OSiMe3):CH2 [R2 = Ph, 3,4-(MeO)2C6H3, 3,4,5-(MeO)3C6H2] (III) in the presence of either Zn(OTf)2 or Cu(OTf)2 and TBAF (for I) in CHCl3. Using this method, (±)-homolaudanosine IV was prepared in three steps from III [R2 = 3,4-(MeO)2C6H3], 4,5-(MeO)2-2-(BrCH2CH2)C6H2CHO, and benzylamine. The structure of I (R = H; R1 = 4-BrC6H4) was determined by X-ray crystallog.
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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem