epsilon-CAPROLACTONE → L-lactide epsilon-caprolactone

HRID 236220

反応式

[CH3:1][C@@H:2]1[O:9][C:7](=[O:8])[C@H:6]([CH3:10])[O:5][C:3]1=[O:4].[C:11]1(=[O:18])[O:17][CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1>CCCCC(C([O-])=O)CC.CCCCC(C([O-])=O)CC.[Sn+2]>[CH3:1][C@@H:2]1[O:9][C:7](=[O:8])[C@H:6]([CH3:10])[O:5][C:3]1=[O:4].[C:11]1(=[O:18])[O:17][CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1

参加物

実験手順

The procedure of Example II is repeated except that 15 grams of L-(-)-lactide, 35 grams of epsilon caprolactone and 0.0105 grams of pure stannous octoate catalyst are blanketed with dry nitrogen in a glass flask and heated for 45 hours at 140° to 142° C. The copolymer is tough and elastic and has good tensile strength and elongation properties. The copolymer has

後処理

customare blanketed with dry nitrogen in a glass flask
temperatureheated for 45 hours at 140° to 142° C

出典と根拠

ORDレコード: ord-e88375e22db7491381c44d47cb8c1b75
出典データセット: uspto-grants-1987_02
DOI: 10.6084/m9.figshare.5104873.v1
特許番号: US04643734

反応式

参加物

反応物 2

生成物 1

試薬・触媒・溶媒 1

実験手順

後処理

出典と根拠

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