The invention relates to compounds that are useful for the preparation of dendrimer compounds, the use of these compounds for preparing dendrimers and processes for preparing the compounds.

This invention describes processes for the convergent synthesis of calicheamicin derivatives, and similar analogs using bifunctional and trifunctional linker intermediates.

This invention describes processes for the convergent synthesis of calicheamicin derivatives, and similar analogs using bifunctional and trifunctional linker intermediates.

An electrolyte includes a compound of formula 1:

##STR00001##

R.sub.1 and R.sub.2 are each independently selected from H, halogen atom, a substituted or unsubstituted C.sub.1-10 alkyl group, a substituted or unsubstituted C.sub.3-10 cycloalkyl group, a substituted or unsubstituted C.sub.2-10 alkenyl group, a substituted or unsubstituted C.sub.2-10 alkynyl group, a substituted or unsubstituted C.sub.1-10 alkoxy group, a substituted or unsubstituted C.sub.6-10 aryl group, a substituted or unsubstituted C.sub.3-10 heteroaryl group, or any combination thereof. R is selected from a substituted or unsubstituted C.sub.1-10 alkyl group, a substituted or unsubstituted C.sub.3-10 cycloalkyl group, a substituted or unsubstituted C.sub.2-10 alkenyl group, a substituted or unsubstituted C.sub.2-10 alkynyl group, a substituted or unsubstituted C.sub.1-10 alkoxy group, a substituted or unsubstituted C.sub.6-10 aryl group or a substituted or unsubstituted C.sub.3-10 heteroaryl group, a substituted or unsubstituted C.sub.3-10 heterocycloalkyl group, a butyrolactam group,

##STR00002##

or any combination thereof.

An electrolyte includes a compound of formula 1:

##STR00001##

R.sub.1 and R.sub.2 are each independently selected from H, halogen atom, a substituted or unsubstituted C.sub.1-10 alkyl group, a substituted or unsubstituted C.sub.3-10 cycloalkyl group, a substituted or unsubstituted C.sub.2-10 alkenyl group, a substituted or unsubstituted C.sub.2-10 alkynyl group, a substituted or unsubstituted C.sub.1-10 alkoxy group, a substituted or unsubstituted C.sub.6-10 aryl group, a substituted or unsubstituted C.sub.3-10 heteroaryl group, or any combination thereof. R is selected from a substituted or unsubstituted C.sub.1-10 alkyl group, a substituted or unsubstituted C.sub.3-10 cycloalkyl group, a substituted or unsubstituted C.sub.2-10 alkenyl group, a substituted or unsubstituted C.sub.2-10 alkynyl group, a substituted or unsubstituted C.sub.1-10 alkoxy group, a substituted or unsubstituted C.sub.6-10 aryl group or a substituted or unsubstituted C.sub.3-10 heteroaryl group, a substituted or unsubstituted C.sub.3-10 heterocycloalkyl group, a butyrolactam group,

##STR00002##

or any combination thereof.

A resist composition comprising a quencher containing a nitroxyl radical having an iodized aliphatic hydrocarbyl group is provided. The resist composition has a high sensitivity and forms a pattern with improved LWR or CDU, independent of whether it is of positive or negative tone.

A resist composition comprising a quencher containing a nitroxyl radical having an iodized aliphatic hydrocarbyl group is provided. The resist composition has a high sensitivity and forms a pattern with improved LWR or CDU, independent of whether it is of positive or negative tone.

Methods and reagents for esterification of biological molecules including proteins, polypeptides and peptides. Diazo compounds of formula I: ##STR00001##
where R is hydrogen, an alkyl, an alkenyl or an alkynyl, R.sub.A represents 1-5 substituents on the indicated phenyl ring and R.sub.M is an organic group, which includes a label, a cell penetrating group, a cell targeting group, or a reactive group or latent reactive group for reaction to bond to a label, a cell penetrating group, or a cell targeting group, among other organic groups are useful for esterification of biological molecules. Also provided are diazo compounds which are bifunctional and trifunctional coupling reagents as well as reagents for the synthesis of compounds of formula I.

Methods and reagents for esterification of biological molecules including proteins, polypeptides and peptides. Diazo compounds of formula I: ##STR00001##
where R is hydrogen, an alkyl, an alkenyl or an alkynyl, R.sub.A represents 1-5 substituents on the indicated phenyl ring and R.sub.M is an organic group, which includes a label, a cell penetrating group, a cell targeting group, or a reactive group or latent reactive group for reaction to bond to a label, a cell penetrating group, or a cell targeting group, among other organic groups are useful for esterification of biological molecules. Also provided are diazo compounds which are bifunctional and trifunctional coupling reagents as well as reagents for the synthesis of compounds of formula I.

An object of the present invention is to provide a novel plant growth inhibiting agent and a plant growth inhibiting method using the same. The plant growth inhibiting agent of the present invention comprises, as an active ingredient, a compound represented by the following formula (I′) and/or a salt thereof. In the formula (I′), R.sup.1a represents a substituted or unsubstituted C.sub.1 to C.sub.20 alkyl group, a substituted or unsubstituted C.sub.6 to C.sub.14 aryl group, a substituted or unsubstituted C.sub.3 to C.sub.13 heteroaryl group, or the like; R.sup.2 represents a substituted or unsubstituted C.sub.1 to C.sub.20 alkylene group, a substituted or unsubstituted C.sub.6 to C.sub.14 arylene group, or the like; R.sup.3a represents OH, a substituted or unsubstituted C.sub.1 to C.sub.6 alkoxy group, or the like; X represents an oxygen atom; Y represents a substituent; q represents any integer of 0 to 3; n represents 0 or 1; and m represents 0 or 1.

##STR00001##