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US 2025/0066393 A1Published application
Amine-protecting group
AssigneeSynCrest Inc.
InventorsPengyu XU, Shin YONEYAMA
Life of this patent
Estimating the term…
Abstract
An object of the present invention is to provide novel amine-protecting groups useful for the synthesis of special amino acids. Provided is an amine-protecting group.
Claims8
A compound represented by formula (1):
- wherein
- in formula (1), R1 and R2 are the same or different and are each a hydrogen atom, a halogen atom, an alkyl group, a trimethylsilyl group, an acetyl group, a benzoyl group, an ester group, an alkyl ester group, an aryl group, an alkyl alcohol group, a nitrile group, a group represented by
- or a group represented by
- in formula (1), R3 is a hydrogen atom, a halogenated carbonyl group, or an active ester group;
- in formula (1), m is an integer of 1 to 4;
- and
- in formula (1), n is an integer of 0 to 4.
4 more elements
A compound represented by formula (3):
- wherein
- in formula (3), X1 and X2 are the same or different and are each a halogen atom;
- in formula (3), p is an integer of 1 to 4;
- and
- in formula (3), q is an integer of 0 to 4.
2 more elements
Dependencies are inferred from the claim text.