S-tetrahydroprotoberberineoxidase, process for producing the sam

Details S-tetrahydroprotoberberineoxidase, process for producing the sam S-tetrahydroprotoberberineoxidase, process for producing the sam

1985-02-12

1987-04-14

Shapiro, Lionel M.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing heterocyclic carbon compound having only o, n, s,...

435189, 435280, C12P 1710, C12N 902, C07B 1902

Patent

active

046578617

ABSTRACT:
The invention relates to the enzyme S-tetrahydroprotoberberineoxidase, which oxidizes selectively S-tetrahydroprotoberberines and S-1-benzyl-1,2,3,4-tetrahydroisoquinoline in the presence of oxygen, resulting in the corresponding protoberberines and 1-benzyl-3,4-dihydroisoquinolines. The invention also relates to a process of preparing S-tetrahydroprotoberberineoxidase by extraction from certain plant materials. The oxidation products of several compounds find use in the pharmaceutical industries.

REFERENCES:
patent: 4302540 (1981-11-01), Hirata et al.
Kamentani et al, Tetrahydron, vol. 29, pp. 2031 to 2033 (1973).
Merck Index, 10th edition, p. 165, entry 1165 and 1162, 1983.

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