Benzoxazine intermediates

Details Benzoxazine intermediates Benzoxazine intermediates

1987-12-28

1990-01-23

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D26536

Patent

active

048959448

ABSTRACT:
An optically active 3,4-dihydrobenzoxazine derivative, a process for preparing the same and an intermediate of 2H-benzoxazine useful for synthesizing the above mentioned optically active 3,4-dihydrobenzoxazine are disclosed.

REFERENCES:
patent: 4382892 (1983-05-01), Hayakawa et al.
patent: 4601745 (1986-07-01), Moser
Smith et al., Chemical Abstracts, vol. 95(1981) 132784e.
Chemical Abstracts, vol. 106, No. 3, Abstract No. 102 305c; p. 662, Mar. 30, 1987.
Chemical Abstracts, vol. 106, No. 13, Abstract No. 102 306d, p. 663, Mar. 30, 1987.
Chemical Abstracts, vol. 99, No. 11, Abstract No. 88, 227g, p. 574, Sep. 12, 1983.

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