Patent ID: 11958754
Assignee: SEREN TECHNOLOGIES LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 7:
8. The method of claim 1, wherein [Y+] represents:
an acyclic cation selected from:

[—N(Ra)(Rb)(Rc)]+, [—P(Ra)(Rb)(Rc)]+ and [—S(Ra)(Rb)]+,

where: Ra, Rb and Rc are each selected from optionally substituted C1-30 alkyl, C3-8 cycloalkyl and C6-10 aryl groups;

or a cyclic cation selected from:, where: Ra, Rb, Rc, Rd, Re and Rf are each selected from: hydrogen and substituted C1-30 alkyl, C3-8 cycloalkyl and C6-10 aryl groups, or any two of Ra, Rb, Rc, Rd and Re attached to adjacent carbon atoms form an substituted methylene chain —(CH2)q— where q is from 3 to 6;

or a saturated heterocyclic cation having the formula:, where: Ra, Rb, Rc, Rd, Re and Rf are each selected from: hydrogen and substituted C1-30 alkyl, C3-8 cycloalkyl and C6-10 aryl groups, or any two of Ra, Rb, Rc, Rd and Re attached to adjacent carbon atoms form an optionally substituted methylene chain —(CH2)q— where q is from 3 to 6.