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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Arai; Yoshihisa
Address:
Urawa, JP
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
4472573 Nitrosourea derivative and process for preparing same September 18, 1984
A nitrosourea compound of the formula: ##STR1## wherein R.sup.1 is lower alkyl and R.sup.2 is lower alkyl or lower alkoxy-lower alkyl, which may be prepared by nitrosation of a compound of the formula: ##STR2## wherein R.sup.1 and R.sup.2 are the same as defined above. Said
4241053 Novel nitrosourea compounds and process for preparing the same December 23, 1980
A compound of the formula: ##STR1## wherein R.sup.1 is lower alkoxy, lower alkoxy-methoxy or 2-hydroxy-ethoxy, R.sup.2 is aldo-pentofuranosyl, aldo-pentopyranosyl, aldohexopyranosyl or O-aldo-hexopyranosyl-(1.fwdarw.4)-aldo-hexopyranosyl, and A is straight or branched alkylene of
4241052 Novel nitrosourea compounds and process for preparing the same December 23, 1980
A nitrosourea compound of the formula: ##STR1## wherein R.sup.1 is an alicyclic group having 3 to 6 carbon atoms, phenyl, phenyl substituted with one to substituents selected from halogen, lower alkyl, lower alkoxy, hydroxy and nitro, or a heteromonocyclic group selected from oxi
4182757 Novel nitrosourea compounds and process for preparing the same January 8, 1980
A nitrosourea compound of the formula: ##STR1## wherein R.sup.1 is alkyl of one to six carbon atoms, hydroxyalkyl of one to six carbon atoms, alkenyl of three to five carbon atoms or alkynyl of three to five carbon atoms, R.sup.2 is aldopentofuranosyl, aldo-pentopyranosyl, aldo-h










 
 
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