Examples of 'process variant' in a sentence
Meaning of "process variant"
process variant: a different version or form of a particular procedure or method
How to use "process variant" in a sentence
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process variant
Process variant b is effected similarly to process variant a.
As aqueous solution of a base according to process variant a.
In process variant c a ring contraction takes place.
According to process variant b.
Process variant b is also effected in conventional manner.
The optional deprotection process variant may also be effect in conventional manner.
Process variant a is a reaction of an isothiocyanate with an amine.
A powder containing a larger proportion of composite granules is obtained in this second process variant.
This process variant is preferably used.
A further method for the preparation of a compound of formula I is described in process variant f.
Process variant a conveniently is effected by hydrogenation.
A compound of formula Ia can then be obtained by hydrogenation in accordance with process variant a.
This process variant presupposes the implementation of step d.
Compounds of formula I can then be obtained in accordance with process variant a.
Process variant b is a conversion of an urea to the corresponding thiourea.
See also
Leaving groups in process variant D are chloro or bromo.
Process variant a is a substitution reaction under simultaneous epimerization.
It also concerns the compound of formula I in Form A whenever prepared by that process variant.
This process variant has additional technical advantages.
It also concerns the compound of formula I in Form B whenever prepared by that process variant.
Process variant a is a coupling reaction.
An appropriate microorganism strain is e.g. as described for process variant a hereunder.
Process variant b is a hydrolysis reaction.
Suitable conditions for such reactions were described in process variant ( a ) hereinbefore.
Process variant b is a cyanidation reaction.
In the reaction according to process variant c there can be used as the azide e . g.
Process variant e is an alkylation.
The conversion indicated above as process variant 6 may be carried out following known methods.
Process variant g is an oxidation.
Conveniently it is effected analogously to the coupling step of process variant ( A ) as hereinbefore described.
This process variant is especially advantageous in case of large scale production.
The Lewis acid which can be used in the process variant ( b ) includes trimethylsilylhalide.
This process variant also forms a further aspect of this invention.
The following compounds of formula I are obtained in analogous manner in accordance with process variant c,.
Process variant i is preferred.
The following compounds of formula I are obtained in analogous manner in accordance with process variant g,.
This process variant may be performed with a batch process or with a continuous process.
Protective groups can be removed in conventional manner as described in the foregoing Process variant 1.
In accordance with process variant e a compound of formula Id is prepared.
Compounds of formula I in which A signifies A7 are obtained by reduction in accordance with process variant c.
For process variant b A suitable displaceable group I is as defined above.
Compounds of formula VIII may be prepared by process variant ( A ) as described above.
Process variant f leads to compounds of formula I in which Ra and Z are hydroxy.
Suitable phosphines include, inter alia, the same as those mentioned under process variant ( C ).
Process variant O is generally carried out according to the known methods J.
Reaction conditions of the process variant [ D ].
This process variant seems to fulfil the above-mentioned criteria best.
Otherwise the same conditions apply as mentioned in process variant ( H ).
Process variant ( b ) according to the invention is preferably carried out using diluents.
Especially preferred conditions for this process variant are described, for example, in Example A. 3.
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