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US 10,711,033 B2Granted
Branched chain-containing aromatic compound
AssigneeAjinomoto Co., Inc.
InventorDaisuke Takahashi
Life of this patent
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Abstract
The present invention provides a particular branched chain-containing aromatic compound. The branched chain-containing aromatic compound of the present invention is easily-soluble in isopropyl acetate superior in liquid-separation operability, and can be used for a production method of peptide and the like, which provides a final product simply by extraction separation, without crystallization and isolation of each intermediate in each step.
Claims1
A branched chain-containing aromatic compound adduct which has a carboxyl group,
- wherein
- said carboxyl group is protected by a branched chain-containing aromatic compound selected from the group consisting of:
- 2,4-di(2′,3′-dihydrophytyloxy)benzyl alcohol;
- 3,5-di(2′,3′-dihydrophytyloxy)benzyl alcohol;
- 4-(2′,3′-dihydrophytyloxy)benzyl alcohol;
- 1-[(2-chloro-5-(2′,3′-dihydrophytyloxy)phenyl)]-1-phenylmethanamine;
- 3,4,5-tri(2′,3′-dihydrophytyloxy)benzyl alcohol;
- 3,4,5-tri(2′,3′-dihydrophytyloxy)benzylamine;
- 4-(2′,3′-dihydrophytyloxy)benzylamine;
- 2-[3′,4′,5′-tri(2″,3″-dihydrophytyloxy)benzyloxy]-4-methoxybenzyl alcohol;
- 4-(2′,3′-dihydrophytyloxy)-2-methoxybenzyl alcohol;
- 4-(2′,3′-dihydrophytyloxy)-2-methoxybenzylamine;
- 4-(2′,3′-dihydrophytyloxy)-2-methylbenzyl alcohol;
- 4-(2′,3′-dihydrophytyloxy)-2-methylbenzylamine;
- 2,2,4,8,10,10-hexamethyl-5-dodecanoic acid (4-hydroxymethyl)phenylamide;
- 4-(3,7,11-trimethyldodecyloxy)benzyl alcohol;
- 2-(3,7,11-trimethyldodecyloxy)-9-phenylfluoren-9-ol;
- a compound represented by the formula:
- wherein n16 is 23 or 34;
- a compound represented by the formula:
- wherein n17 is 23 or 34;
- a compound represented by the formula:
- wherein n18 is 5 to 7;
- and
- a compound represented by the formula:
22 more elements
Dependencies are inferred from the claim text.