US 5,512,688 AGranted

Sulphonic acid esters which are useful as intermediates in the production of .beta.aminoalcohols

AssigneeHoffmann-La Roche Inc.

InventorHans Hilpert

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Sulphonic acid esters of formula ##STR1## wherein R1 is lower-alkyl or phenyl, useful as intermediates in the production of .beta.-aminoalcohols.

Dependent claims

The compound of formula, ##STR13## wherein R.sup.1 is lower-alkyl, phenyl, or substituted phenyl.

Dependencies are inferred from the claim text.

C07D 209/48
Iso-indoles; Hydrogenated iso-indoles: with oxygen atoms in positions 1 and 3, e.g. phthalimide
C07C 229/34
Having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton: the carbon skeleton containing six-membered aromatic rings
C07D 217/26
With hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals,…:…
C07D 263/20
Oxygen atoms: attached in position 2

From the US filing history. Foreign family members aren’t listed.

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