Binaphthol monophosphoric acid derivative and its use
AssigneeTosoh Corporation
InventorsJunji Inanaga, Hiroshi Furuno
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AssigneeTosoh Corporation
InventorsJunji Inanaga, Hiroshi Furuno
Estimating the term…
A binaphthol monophosphoric acid derivative of the following formula (1), (2), (3) or (4): wherein each of R1, R2, R3 and R4 which are independent of one another, is hydrogen, a C2-20 linear or branched alkenyl group, a C2-20 linear or branched alkynyl group, a phenyl group, a phenyl group having its nucleus substituted at the 1- to 4-carbon atom by a C1-10 linear or branched alkyl group, a phenyl group having its nucleus substituted at the 1- to 4-carbon atom by a C2-10 linear or branched alkenyl group, a phenyl group having its nucleus substituted at the 1- to 4-carbon atom by a C2-10 linear or branched alkynyl group, a naphthyl group or a C3-8 cycloalkyl group, provided that R1 to R4 are not simultaneously hydrogen, wherein each of R5, R6, R7 and R8 which are independent of one another, essentially the same as R1, R2, R3 and R4.
A binaphthol monophosphoric acid derivative of the following formula (1), (2), (3) or (4):
A binaphthol monophosphate derivative of the following formula (5), (6), (7) or (8):
A process for preparing a heterocyclic compound of the following formula (9):
Dependencies are inferred from the claim text.