Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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499/00
Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
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C07D499/87
Compounds being unsubstituted in position 3 or with substituents other than only two methyl radicals attached in position 3, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
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C07D499/87

Method of forming methyl penam derivatives
09963465 · 2018-05-08 · ·

A method of forming a compound of formula (IIIa): ##STR00001## wherein: R.sup.1 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.2 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.4 is C.sub.1-5 alkyl; and R.sup.6 is a C.sub.1-5 fluoroalkyl; and PG is a protecting group, the method comprising the step of reacting a compound of formula (IIa) with a compound of formula (VIII): ##STR00002##

Method of forming methyl penam derivatives
09963465 · 2018-05-08 · ·

A method of forming a compound of formula (IIIa): ##STR00001## wherein: R.sup.1 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.2 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.4 is C.sub.1-5 alkyl; and R.sup.6 is a C.sub.1-5 fluoroalkyl; and PG is a protecting group, the method comprising the step of reacting a compound of formula (IIa) with a compound of formula (VIII): ##STR00002##

ANTIBACTERIAL COMPOSITIONS
20180064722 · 2018-03-08 · ·

Pharmaceutical compositions comprising cefepime or a pharmaceutically acceptable salt thereof, tazobactam or a pharmaceutically acceptable salt thereof, and arginine or a pharmaceutically acceptable salt thereof; and their use in treatment, control or prevention of bacterial infection is disclosed.

ANTIBACTERIAL COMPOSITIONS
20180064722 · 2018-03-08 · ·

Pharmaceutical compositions comprising cefepime or a pharmaceutically acceptable salt thereof, tazobactam or a pharmaceutically acceptable salt thereof, and arginine or a pharmaceutically acceptable salt thereof; and their use in treatment, control or prevention of bacterial infection is disclosed.

METHOD
20170101421 · 2017-04-13 · ·

A method of forming a compound of formula (IIIa):

##STR00001## wherein: R.sup.1 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.2 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.4 is C.sub.1-5 alkyl; and R.sup.6 is a C.sub.1-5 fluoroalkyl; and PG is a protecting group, the method comprising the step of reacting a compound of formula (IIa) with a compound of formula (VIII):

##STR00002##

METHOD
20170101421 · 2017-04-13 · ·

A method of forming a compound of formula (IIIa):

##STR00001## wherein: R.sup.1 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.2 in each occurrence is independently selected from H, halogen, amino, C.sub.1-5 alkyl, C.sub.1-5 alkenyl and C.sub.1-5 alkynyl; R.sup.4 is C.sub.1-5 alkyl; and R.sup.6 is a C.sub.1-5 fluoroalkyl; and PG is a protecting group, the method comprising the step of reacting a compound of formula (IIa) with a compound of formula (VIII):

##STR00002##