Abstract: The present invention relates to compounds selected from the group consisting of:(i) the compounds of the formula ##STR1## in which: R is a hydrogen atom, a group OH, a group OCH.sub.3 or a group CH.sub.2 OH,*C, in the case where R is not a hydrogen atom, is an asymmetric carbon atom of (R,S), (R) or (S) configuration, and**C is an asymmetric carbon atom of (R,S) or (R) configuration; and(ii) their addition salts.It further relates to the method of preparing these compounds, to their use in therapeutics and in the field of analysis, and to intermediates.

Abstract: The present invention relates to a novel compound selected from the group consisting of:(i) the compounds of the formula ##STR1## in which: A is a group --CO--NH-- or a group --NH--CO--,R is a hydrogen atom or a methyl group, and*C, if R is not the hydrogen atom, is an asymmetric carbon of (R,S) or (R) configuration; and(ii) their addition salts.It further relates to the method of preparing this compound and to its use in therapeutics.

Abstract: The present invention relates, by way of novel industrial products, to compounds which are structurally related to 15-deoxyspergualin and which have the formula ##STR1## in which: A is a single bond, a group --CH.sub.2 --, a group --CH.sub.2 O--, a group --CH.sub.2 NH--, a group --CH(OH)--, a group --CHF-- or a group --CH(OCH.sub.3)--, andn is equal to 6 or 8,and their addition salts.These novel compounds are useful especially as immunosuppressants. The invention further relates to the method of preparing said compounds.

Abstract: 1,2,3,5,6,7,8,8a-Octahydro-5,5,8a-trimethyl-(8a.beta.)-isoquinolineamines of formula (I), wherein groups R.sup.1 -R.sup.3 are as defined in the description, a method for preparing same, and therapeutical uses thereof as agents for inhibiting the biosynthesis of cholesterol, particularly epoxysqualene cyclase, which are useful as cholesterol and lipid lowering drugs, antiatheromatic and antifungal agents.

Abstract: The present invention relates, by way of novel industrial products, to compounds which are structurally related to 15-deoxyspergualin. These novel compounds have the formula ##STR1## in which: n is equal to 6 or 8 andA is a single bond, CH.sub.2, CHF, CH(OH), CH(OCH.sub.3), CH.sub.2 NH or CH.sub.2 O,and their addition salts.

Abstract: The present invention relates, by way of novel industrial products which are useful in therapy, to the benzopyranone-.beta.-D-thioxyloside compounds of the formula ##STR1## in which: one of the substituents R or R' is an oxygen atom double-bonded to the corresponding cyclic carbon atom and the other is a group R.sub.1,the symbol represents a double bond conjugated to the CO group provided by one of the substituents R or R',X is a sulfur atom or an oxygen atom,R.sub.1 and R.sub.2, which are identical or different, are each a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a halogen atom, a trifluoromethyl group or a phenyl group, it being possible for R.sub.1 and R.sub.2, taken together, to form a 7,8,9,10-tetrahydrodibenzo[b,d]pyran-6-one group or a 1,2,3,4-tetrahydro-9H-xanthen-9-one group with the benzopyranone group to which they are bonded, andY is the hydrogen atom or an aliphatic acyl group.

Abstract: The present invention relates, by way of novel industrial products, to the sulfonylphenyl-.beta.-D-thioxyloside compounds of the formula ##STR1## in which: X is a sulfur atom or an oxygen atom;R is a C.sub.1 -C.sub.4 alkyl group, a substituted amino group NR.sub.1 R.sub.2 (where R.sub.1 and R.sub.2, which are identical or different, are each a C.sub.1 -C.sub.4 alkyl group, it being possible for R.sub.1 and R.sub.2, taken together, to form a piperidinyl or morpholinyl group with the nitrogen atom to which they are bonded) or a phenyl group which is unsubstituted or substituted in the para position by a cyano group or by a halogen atom; andY is the hydrogen atom or an aliphatic acyl group.These compounds are useful in therapeutics, especially as venous antithrombotics.

Abstract: The present invention relates, by way of novel industrial products, to the .beta.-D-phenylthioxyloside compounds of the formula ##STR1## in which: X represents a sulfur atom or an oxygen atom;R.sub.1, R.sub.2 and R.sub.3, which are identical or different, each represent a hydrogen atom, a nitro group, a cyano group, a group --CO--R (in which R represents a C.sub.1 -C.sub.4 alkyl group or a trifluoromethyl group), an amino group, an acetamido group (NHCOCH.sub.3), a C.sub.1 -C.sub.4 alkoxy group, a trifluoromethyl group or a phenyl group substituted by one or more cyano, nitro or trifluoromethyl groups, it being possible for R.sub.1 and R.sub.2, taken together, to form, with the phenyl group to which they are bonded, a .beta.-naphthalenyl group which is unsubstituted or substituted by one or more cyano, nitro or trifluoromethyl groups; andY represents the hydrogen atom or an aliphatic acyl group.These compounds are useful as therapeutic agents, especially as venous antithrombotics.

Abstract: A mixture of the 4 stereoisomers of formula (I) below, each of the pairs of corresponding racemic diastereoisomers and each of the enantiomers corresponding to each pair, that is to say each of said stereoisomers: ##STR1## in which R.sub.1 represents: a hydrogen atom,an alkoxy group comprising from 1 to 4 carbon atoms,a trifluoromethyl group, orone or two halogen atoms;and the pair (R.sub.2, R.sub.3) has one of the following meanings: (H, H), (H, C.sub.1 -C.sub.4 alkyl), (C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkyl), as well as their organic and inorganic acid addition salts.The compounds of formula (I) are therapeutically useful.