An article Preparation of Degradable Polymenthide and Its Elastomers from Biobased Menthide via Organocatalyzed Ring-opening Polymerization and UV Curing WOS:000531784500002 published article about POLY(EPSILON-CAPROLACTONE); POLYLACTIDE in [Zhao, Na; Cao, Xin-Xin; Shi, Jin-Feng; Li, Zhi-Bo] Qingdao Univ Sci & Technol, Shandong Prov Educ Dept, Coll Polymer Sci & Engn, Key Lab Biobased Polymer Mat, Qingdao 266042, Peoples R China in 2020.0, Cited 40.0. Recommanded Product: Benzyl Alcohol. The Name is Benzyl Alcohol. Through research, I have a further understanding and discovery of 100-51-6
Development of degradable polyester elastomers plays an important role in the applications of soft mateirals. Noncrystalline polymenthides (PMs) from menthol derived lactone monomers are excellent soft segments for preparing degradable polyester elastomers. By using cyclic trimeric phosphazene base (CTPB) as an organocatalyst, we successfully synthesized PMs with different molecular weights (8.2 kDa to 100.7 kDa) in high yields via ring-opening polymerization (ROP) of menthide. When a CTPB/urea binary catalytic system was adopted, the polymerizations proceeded in a more controlled manner. Using glycerol as initiator, star shaped PMs with well-defined structure were synthesized and subsequently end-capped by acrylate. UV irradiation of the terminal acrylate groups in the star-shaped PMs resulted in formation of chemically cross-linked polyester elastomers without heat or other stimuli. The obtained polyester elastomers exhibit matched modulus (3.8-5.5 MPa), tensile strength (0.56-0.68 MPa), and strain at break (280%-320%) with soft body tissues, displaying great potential in biomedical applications.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles