Reference of 86770-74-3, With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.86770-74-3, name is 2-(2-(2-(2-Aminoethoxy)ethoxy)ethoxy)ethanol, molecular formula is C8H19NO4, molecular weight is 193.2408, as common compound, the synthetic route is as follows.
Part A Preparation of 11-Benzyloxycarbonylamino-3,6,9-trioxaundecanol A solution of 11-amino-3,6,9-trioxaundecanol (6.56 g, 0.034 mol) and TEA (5.2 mL, 0.037 mol) in DCM (200 mL) was treated with benzyl chloroformate (5.1 mL, 0.036 mol) in one portion. After 18 h the solution was concentrated to a viscous oil and triturated with ether (3 x 100 mL). The combined triturants were concentrated to give an amber oil (9.4 g). Flash chromatoraphy on silica gel (6% MeOH/EtOAc) gave the title compound as a colorless viscous oil (7.0 g, 63%). 1H NMR (CDCl3): 7.36-7.25 (m, 5H), 6.04 (bs, 1H), 5.08 (s, 2H), 3.72-3.48 (m, 14H), 3.41-3.31 (m, 2H).
The chemical industry reduces the impact on the environment during synthesis 86770-74-3, I believe this compound will play a more active role in future production and life.
Reference:
Patent; Bristol-Myers Squibb Pharma Company; EP1293214; (2003); A2;,
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