The compound Pd.sub.3 P.sub.2 S.sub.8 in the form of crystals having trigonal symmetry can be made by heating together the appropriate elements of binary compounds thereof providing the atomic ratio of S to P is greater than unity. The compound is useful as a semiconductor and as a catalyst for the replacement of aromatic hydrogen with carbonyl chloride groups.

A compound having Formula I ##STR00001## wherein one of R.sub.1 and R.sub.2 is a group of the formula ##STR00002## wherein R.sub.4 is selected from H and hydrocarbyl, R.sub.5 is a hydrocarbyl group and L is an optional linker group, or R.sub.1 and R.sub.2 together form a ring substituted with the group ##STR00003## wherein R.sub.3 is H or a substituent, and wherein X is selected from S, O, NR.sub.6 and C(R.sub.7)(R.sub.8), wherein R.sub.6 is selected from H and hydrocarbyl groups, wherein each o...

The instant invention relates to sulphamate compounds of formula I, wherein A represents a ring structure, B represents a ring structure, D a ring structure, C is a bond, E is a link joining ring structure B to the ring structure D, X represents a suitable first group, and Y represents a suitable second group; wherein one ring of the compound is a phenolic ring; and wherein any one of ring structures A, B and D has bound thereto a sulphamate group.

A compound is described. In particular, a non-steroidal sulphamate compound is described. The compound is suitable for use as an inhibitor of oestrone sulphatase. The compound is of general Formula (A), ##STR1## wherein R.sub.1 -R.sub.6 are independently selected from H, halo, hydroxy, sulphamate, alkyl and substituted variants or salts thereof, but wherein at least one of R.sub.1 -R.sub.6 is a sulphamate group; and wherein X is any one of S, NH, a substituted N, CH.sub.2, or a substituted C.

There is provided a compound of Formula I ##STR00001## wherein each T is independently selected from H, hydrocarbyl, --F--R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH.sub.2 and C.dbd.O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.

A compound is described. In particular, a non-steroidal sulphamate compound is described. The compound is suitable for use as an inhibitor of oestrone sulphatase. The compound is of general Formula (A), ##STR00001## wherein R.sub.1 R.sub.6 are independently selected from H, halo, hydroxy, sulphamate, alkyl and substituted variants or salts thereof; but wherein at least one of R.sub.1 R.sub.6 is a sulphamate group; and wherein X is any one of S, NH, a substituted N, CH.sub.2, or a substituted C.

New photoactive polymers, their use as liquid crystal (LC) orientation layers and their use in the construction of unstructured and structured optical and electro-optical elements and multi-layer systems. The new photoactive polymers are crosslinkable polymers that can be readily cross linked over a relatively short irradiation time.

A compound is a condensate of 1,2,3-trihydroxybenzene with an aldehyde. The condensate is a macrocyclic compound such as a cyclic tetramer. The aldehyde is preferably a long-chain aldehyde such as hexanal, dodecanal or tetradecanal. The condensate can be used as an anti-wear additive in hydrocarbon liquids such as liquid paraffin or as an anti-corrosion additive. The condensate can be prepared by reacting 1,2,3-trihydroxybenzene with an equimolar quantity of an aldehyde in the presence of an aci...

This invention relates to pyrimidine derivatives of general formula I ##STR00001## in which R.sup.1, R.sup.2, X, A and B have the meanings that are contained in the description, as inhibitors of the cyclin-dependent kinases, their production as well as their use as medications for treating various diseases.

1. The process for making dichlorofluoramine which comprises introducing into a reaction zone an alkali metal azide, subjecting said azide in said zone to the action of chlorine monofluoride while maintaining in said zone temperatures above the boiling point of dichlorofluoramine but not substantially above 150.degree. C., and discharging from said zone reaction products containing dichlorofluoramine.