Synthesis of novel multifunctional cardanol's derivatives and their use as halogen free polyurethanic foams precursors

A cardanol derivative comprising one or more units of the formula

• wherein
• R is
• Y is H, OH, NH2, N3,
• Z is H, OH, NH2, N3,
• Ra is H or —CH2—CHR1—CH2—R2
• R1 is H, OH, NH2
• R2 is H, OH, NH2, N3, triazole, N(CH2CH2OH), N(CHCH3—CH2OH), OCH2CH(OH)CH2OH
• Rb is a bond or —(CHR3)n—(CH2)m—(CHR4)p
• R3, R4 and R5 are independently H, alkyl, Ar, phenyl, optionally substituted
• n is 0, 1, 2, 3, 4
• m is 0, 1, 2, 3, 4
• p is 0, 1, 2, 3, 4
• and Rc is H or —N—(CH2—CH2OH)2 or —N—(CHCH3—CH2OH),
• provided that when R is
• at least one of Ra, Rb or Re is not H.