The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-Bromo-2-pentyne, is researched, Molecular C5H7Br, CAS is 16400-32-1, about Metal-Free Hydroamination of Alkynes: A Mild and Concise Synthesis of Thiazolo[3,2-a]indoles and their Cytotoxic Activity, the main research direction is thiazoloindole preparation antitumor activity; propynylthio indole hydroamination.COA of Formula: C5H7Br.
A metal-free, mild and efficient method for the synthesis of thiazolo[3,2-a]indoles I (R1 = H, Me, Et, Ph, 4-methoxyphenyl, 4-nitrophenyl; R2 = H, CH3; R3 = H, 6-Cl, 7-F, 7-CH3) has been developed starting from indoline-2-thiones II (R4 = H, 6-Cl, 5-Me, 5-F). The reaction methodol. involves first the formation of thermally labile 2-(prop-2-ynylthio)-1H-indole intermediates II, which undergo base-mediated intramol. hydroamination to produce the title compounds I in excellent yields.
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Reference:
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics