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Improved preparation of D, L-lactide from D, L-lactic acid using microwave irradiation

โœ Scribed by Xiao-Gang Yang; Li-Jian Liu

Book ID
106001461
Publisher
Springer
Year
2008
Tongue
English
Weight
228 KB
Volume
61
Category
Article
ISSN
0170-0839

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## Abstract D,Lโ€Lactide with a yield of about 36% was synthesized from D,Lโ€lactic acid by the addition of SnCl~2~ and Catโ€A as catalyst under continuous microwave irradiation in less than 1 h. In order to gain a higher yield, the viscosityโ€average molecular weight of the oligomer was preferably ove