Hemiacetals

Details Hemiacetals Hemiacetals

1988-05-25

1990-06-19

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549330, 549457, 549458, 549459, 549463, 549465, 549456, 546269, 558424, C07D30777, C07D30793, C07D30794

Patent

active

049355325

ABSTRACT:
All possible isomeric forms of a compound of the formula ##STR1## wherein A has a structure selected from the group consisting of ##STR2## wherein Y.sub.1 and Y.sub.2 are individually selected from the group consisting of hydrogen, fluorine, chlorine, bromine and alkyl of 1 to 6 carbon atoms, or Y.sub.1 and Y.sub.2 together with the carbon to which they are attached form a carbon homocycle of 3 to 7 carbon atoms and Z is selected from the group consisting of hydrogen, chlorine, bromine and iodine, Y is selected from the group consisting of hydrogen, alkyl of 1 to 18 carbon atoms unsubstituted or substituted with at least one halogen, the .beta., .alpha. bond together with Y can be part of A and and R is selected from the group consisting of non-heterocyclic primary, secondary or teritiary alcohol moiety having at least one asymetric carbon or the remainder of a substituted alcohol with a chirality due to the dissymetric spatial configuration of the entire molecule.

REFERENCES:
patent: 4701542 (1987-10-01), Tessier et al.

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