Studies of Polymerization and Ring Formation. XX. Many-Membered Cyclic Esters
โ Scribed by Hill, Julian W.; Carothers, Wallace H.
- Book ID
- 127216596
- Publisher
- American Chemical Society
- Year
- 1933
- Tongue
- English
- Weight
- 588 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
The cationic ring-opening polymerization of six-membered cyclic pseudoureas, 2-(1-pyrrolidinyl)-( 2a) and 2-morpholino-5,6-dihydro-4H-1,3-oxazine ( 2b), was examined, which proceeded in two different ways, depending on the nature of initiator. The polymerization of 2 with methyl p-toluenesulfonate o
Catalytic behavior of tetrahydroborate complexes of rare earth metals, Ln(BH 4 ) 3 (THF) x (1: ), for ring-opening polymerization (ROP) of six-membered cyclic esters, d-valerolactone (VL) and D,L-lactide (D,L-LA), was studied. The controlled polymerization of VL with 1-6 proceeded in THF at 60 C. T