반응 #50428

ord-d9402f9cd14742bf8acde96329546880

반응 방정식

C[C@@H]1OC(=O)[C@H](C)OC1=O
L-lactide
O=C1CCCCCO1
ε-caprolactone
CCCCC(CC)C(=O)[O-].CCCCC(CC)C(=O)[O-].[Sn+2]
stannous octoate
CCCCCCCCCCCCO
lauryl alcohol
→
CC(O)C(=O)O.CCCCC(O)C(=O)O
lactic acid hydroxycaproic acid

반응물

C[C@@H]1OC(=O)[C@H](C)OC1=O
L-lactide
O=C1CCCCCO1
ε-caprolactone
CCCCC(CC)C(=O)[O-].CCCCC(CC)C(=O)[O-].[Sn+2]
stannous octoate
CCCCCCCCCCCCO
lauryl alcohol

시약

없음

용매

Cc1ccccc1
toluene

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타The same procedure as in Preparation Example 3
  2. 2
    기타were used and that reaction

실험 절차

The same procedure as in Preparation Example 3 was effected except that 1441 g (10 mols) of L-lactide, 1140 g (10 mols) of ε-caprolactone and 10 ml of a toluene solution containing 0.26 g of stannous octoate, and 5 g of lauryl alcohol were used and that reaction was carried out at 160° C. for 10 hours, thereby obtaining a lactic acid-hydroxycaproic acid copolymer (hereinafter referred to as "PCLA1").

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: USRE034984uspto-grants-1995_06