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US 2016/0102060 A1Published application
Synthesis of Triethylenetetramines
AssigneePhilera New Zealand Limited
InventorsMarco Jonas, Irene Vaulont, Antonio Soi, Gunther Schmidt
Life of this patent
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Abstract
Methods and intermediates for synthesizing triethylenetetramine and salts thereof, as well as novel triethylenetetramine salts and their crystal structure, and triethylenetetramine salts of high purity.
Claims12
A compound of formula (I),
- wherein R1 and R2 of formula (I) are the same or different and are hydrogen, an alkyl group, an aryl group, or an aromatic alkyl group;
- a compound of formula (II),
- wherein each R of formula (II) is independently methyl carbamate, ethyl carbamate, benzyl carbamate, tert-butyl carbamate, tert-butyloxycarbonyl (Boc), cyclohexanone, 2,2,6,6-tetramethyl cyclohexanone, anthrone, an alkyl group, an aryl group, or an aromatic alkyl group,
- a compound of formula (IV),
- wherein R1 and R2 of formula (IV) are the same or different, and are hydrogen, an alkyl group, an aryl group, or an aromatic alkyl group,
- or a compound of formula (VI),
- wherein each R of formula (VI) is independently methyl carbamate, ethyl carbamate, benzyl carbamate, tert-butyl carbamate, tert-butyloxycarbonyl (Boc), cyclohexanone, 2,2,6,6-tetramethyl cyclohexanone, anthrone, an alkyl group, an aryl group, or an aromatic alkyl group.
4 more elements
A compound of formula (Ic)
Dependencies are inferred from the claim text.